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It costs d dollars to buy s sandwiches. At this rate, what is the cost of s+2,850 sandwiches, in dollars?
When positive integers k and n are each divided by 9, the remainders are 2 and 5, respectively. If k > n, what is the remainder when k-n is divided by 9?
The primary purpose of the passage is to


The histogram shows the frequency distribution of caffeine amounts, rounded to the nearest milligram, for 20 brands of coffee, where each interval shown includes its left endpoint and excludes its right endpoint. Based on the histogram, which of the following could be the respective values of the average (arithmetic mean) and the median of the caffeine amounts for the 20 brands?
The primary purpose of the passage is to
During archery practice, Kyle made 50 attempts to hit a target. After each attempt, his success rate was calculated as the number of successful attempts to hit the target as a percent of the number of attempts up to that time. After the 20th attempt, his success rate was 45 percent. After the 40th attempt, his success rate was 55 percent. Which of the following statements must be true?

Indicate all such statements.
Many leading photographers have begun to produce work specifically for galleries and museums, and therefore, not surprisingly, they now regard the long-standing question of whether photography really (i)________ art to be (ii)________.
Looking back on a project that they had approached with both great________ and considerable aspirations, they were amused to recognize that neither the fears nor the hopes had been at all realistic.
The integers a, b, and c are positive, and a > b > c. When a, b, and c are divided by 3, the remainder are 0, 1, and 1, respectively.

Quantity A

The remainder when a+b is divided by 3

Quantity B

The remainder when a-c is divided by 3


A box contains 30 marbles of which 6 are red, 7 are blue, 8 are yellow, and the rest are green. Marbles are selected randomly from the box one at a time without replacement. The selection process stops as soon as 2 marbles of different colors have been selected. What is the greatest number of selections that might be needed in order to stop the process?
A company has only two kinds of vehicles: cars and trucks. If 24 percent of the company's vehicles are cars that have automatic transmission and 60 percent of the company's cars have automatic transmission, what percent of the company's vehicles are cars?

_____%
If $$\frac{1}{x}$$+$$\frac{1}{y}$$=4.2 and $$\frac{1}{x}$$-$$\frac{1}{y}$$=3.5, what is the value of $$\frac{1}{x^{2}}$$-$$\frac{1}{y^{2}}$$?


In the figure shown, WXYZ represents a flat garden with an area of 140 square meters. Edge WX of the garden has length 10 meters, and edge XY has n meters.

Quantity A

n

Quantity B

10


a is an integer.

$$2^{a}$$ < 7!

Quantity A

The greatest possible value of a

Quantity B

11


List L consists of positive integers. The median of the integers in L is m. The least integer in L is less than m, and the greatest integer in L is greater than m.

Quantity A

The number of integers in L that are less than or equal to m

Quantity B

Twice the number of integers in L that are greater than m


Five children, Alex, Beth, Carl, Dan, and Ellen, stand side by side in a line, in ascending order of height where all five heights are different. Carl is the second tallest and he is taller than Beth but shorter than Dan. Alex has the same number of children standing to his left and to his right, and neither Dan nor Ellen are standing next to Alex. Which of the following shows the five children listed in order from shortest to tallest?
A sales representative for a photography company makes a base salary of $30,000 per year. In addition he earns a commission of $500 for each of the first 20 photograph packages he sells in a year and $1,000 for each photograph package he sells in a year after the first 20. Each year he spends $4,000 on work-related travel. The sales representatives` income before taxes is his base salary plus commission, minus the amount he spends on work-related travel. How many photograph packages must he sell in a year so that his income before taxes is equal to $50,000?

_____photograph packages


In triangle BCD shown, which of the following is closest to the sum of the lengths of the three interior line segments?
The standard deviation of n numbers $$x_{1}$$, $$x_{2}$$, $$x_{3}$$,......, $$x_{n}$$, with mean x is equal to $$\sqrt{\frac{s}{n}}$$, where S is the sum of the squared differences, $$(x_{i}- x)^{2}$$ for 1 ≤ i ≤ n.

List S: 3, 4, 7, 9, 10, 15

For which of the following lists is the standard deviation of the numbers in the list equal to 4 times the standard deivation of the numbers in list S?

Indicate all such lists.
A certain list contains exactly five numbers. The median of the numbers in the list is 7, the mode (most frequently occurring number) of the numbers in the list is 4, and the average (arithmetic mean) of the greatest and second greatest numbers in the list is 20. What is the average of the numbers in this list?

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