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While there is no evidence that Bigfoot is real, several well-known species were once thought to be________; the okapi, for instance, was known as the “African unicorn" until explorers obtained proof of its existence.
Of the 29 students in a class, 15 students study French, fewer than 16 students study Spanish, and 5 students study neither French nor Spanish. Which of the following could be the number of students in the class who study both French and Spanish?

Indicate all such numbers.
On a radio call-in show, the 6th caller and every 6th caller thereafter were given a T-shirt. Also, the 15th caller and every 15th caller thereafter were given movie tickets. A total of 78 people called the show, all at different times. How many of the callers were given neither a T-shirt nor movie tickets?

_____callers
Jessica`s car is one of the 6 cars in an auto repair shop. Only 3 of the 6 cars will be repaired today, and each of the 6 cars is equally likely to be one of the 3 cars that will be repaired.

Quantity A

The probability that Jessica`s car will be repaired today

Quantity B

$$\frac{1}{3}$$


Calvin drives east along a straight road from point A to point B. His speed is never more than 60 miles per hour. Which of the following graphs could represent Calvin's distance from point A as a function of time?

Indicate all such graphs.
On a bookshelf, Pat arranges 7 different books: 2 history books, 3 philosophy books, and 2 science books. If Pat arranges the books so that the history books are next to each other, the science books are next to each other, and the philosophy books are next to each other, how many different arrangements are possible?
$$S={1.2, 0.9, 1.3, 1.5}$$

$$T={1.2x, 0.9x, 1.3x, 1.5x}$$

$$x$$ is a positive number.

Quantity A

he standard deviation of the numbers in set S

Quantity B

The standard deviation of the numbers in set T


Each copy of Magazine X is sold either at the cover price of $3.25 per copy or at the subscription price of $1.75 per copy. The average (arithmetic mean) price of the copies of Magazine X that were sold last month was $2.25 per copy.

Quantity A

The number of copies of Magazine X that were sold last month at the subscription price

Quantity B

Twice the number of copies of Magazine X that were sold last month at the cover price




In quadrilateral ABCD shown, what is the value of x?

Give your answer to the nearest 0.1.
The cost of producing 1 unit of a product at a certain manufacturing company is $0.75. According to a sales model, if each unit has a selling price of $1.00, the company expects to sell 1,000 units each month. For each $0.05 increase in the unit selling price, the company expects to see a decrease of 100 units sold each month. According to the model, which of the following could be a unit selling price at which the company would expect a profit of at least $250.00 each month? (Profit equals revenue minus cost.)

Indicate all such unit selling prices.
At a certain company, 60 percent of the employees were in department $$A$$ and the remaining 40 percent were in department $$B$$. During a company reorganization, some of the employees were moved from department $$A$$ to department $$B$$, none were moved from department $$B$$ to department $$A$$, and the total number of employees remained the same. If the number of employees in department $$A$$ decreased by 30 percent as a result of the reorganization, what was the percent increase in the number of employees in department $$B$$?
The cost of producing 1 unit of a product at a certain manufacturing company is $0.75. According to a sales model, if each unit has a selling price of $1.00, the company expects to sell 1,000 units each month. For each $0.05 increase in the unit selling price, the company expects to see a decrease of 100 units sold each month. According to the model, which of the following could be a unit selling price at which the company would expect a profit of at least $250.00 each month? (Profit equals revenue minus cost.)

Indicate all such unit selling prices.
The degree of a polynomial in x is the greatest exponent of x when the polynomial is written as a sum of terms such as $$a_i$$$$x^i$$, where i is a positive integer and $$a_i$$, is a number. For example, the degree of $$9x^3 + 3x^5 – 100x$$ is 5. What is the degree of the polynomial$$(x+4x^3)^2$$$$(x^5-7)$$?
For how many of the categories shown was the dollar amount of the expenditures in 1995 less than $1 billion?
Approximately what was the ratio of the dollar amount of the expenditures for prescriptions in 1995 to the dollar amount of the expenditures for prescriptions in 1970?
From 1970 to 1995, the dollar amount of expenditures for nursing home care increased by approximately what percent?
How many of the homeowners responded “very likely” to Question 1? ________________homeowners
Approximately what percent of the homeowners in the survey responded “very likely” or “somewhat likely” to Question $$1$$ and then responded “house has no mortgage” to Question $$2$$?
The number of homeowners who responded “very unlikely” to Question $$1$$ is approximately what percent less than the number of homeowners who responded “somewhat unlikely”?
Few meteorites are _____________: most languish for many years before being found, their untold stories slowly fading from extended exposure to wind and rain.

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