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题目内容
If 50 percent of the calls received during the week about subscription cancellations were received on Friday, approximately what percent of the calls received on Friday were calls about subscription cancellations?
During the week shown, what is the least possible number of days on which the business could have received one or more calls about service issues?
If a circle graph is to be drawn to show the distribution of the numbers of calls received per day for the week shown, what will be the degree measure of the central angle of the sector representing Thursday?

Give your answer to the nearest degree.

_____degrees
The function f is defined by $$f(x)=\frac{2}{x-2}+\frac{3}{x+2}$$ for all numbers x, where x ≠ 2 and x ≠ -2. If f(x) = 0, what is the value of x?

Give your answer as a decimal.


In the figure above, if AC = 15, BC = 5, and AE = 5, what is the value of ED?


The parallel sides (bases) of trapezoid RSTU have lengths 3 and 9, and the nonparallel sides have lengths 4 and 6, as shown in the figure. Line segment AB (not shown) is parallel to the two bases of RSTU with point A on side RS and point B on side TU. If AB divides the trapezoid into two trapezoids having equal perimeters, what is the sum of the lengths of the nonparallel sides of trapezoid RABU?
If $$\frac{1}{2}$$ is one solution of the equation $$8x^{2}+2x-k=0$$, where k is a constant, what is the other solution of the equation?
$$\frac{2}{9}$$ < x < $$\frac{1}{3}$$

Quantity A

x

Quantity B

$$\frac{5}{18}$$
P=$$x^{30}-x^{31}$$

Quantity A

The value of P when x is $$\frac{1}{2}$$

Quantity B

The value fo P when x is $$-\frac{1}{2}$$
$$b_{1}$$, $$b_{2}$$, $$b_{3}$$, ........., $$b_{99}$$, $$b_{100}$$........

The first term of the sequence shown is 1, and each term after the first term is equal to the preceding term multiplied by $$-\frac{1}{3}$$.

Quantity A

$$b_{100}$$ - $$b_{99}$$

Quantity B

0
The probability that event R will occur is 0.65. The probability that event T will occur is 0.47.

Quantity A

The probability that neither R nor T will occur

Quantity B

0.47


SUVR is a rectangle.

Quantity A

$$\frac{The lengh of ST}{The lengh of TU}$$

Quantity B

$$\frac{The area of △RST}{The area of △TUV}$$
The acreage of Hopetown, a town in Lewis County, is equal to 20 percent of the acreage of the region that is in Lewis County but not in Hopetown.

Quantity A

The acreage of Hopetown as a percent of the entire acreage of Lewis County

Quantity B

18%
r is a positive integer, k = 2r + 1, and h = 5k - 3.

Quantity A

The units digit of h

Quantity B

2
Last week, the Garcia couple had combined earnings of $1,450. If one spouse earned $1.25 per hour more than the other and both worked for 40 hours that week, what were last week's earnings of the spouse with the higher hourly pay?
A list of six numbers has a standard deviation of 0. A new list is created by increasing each number from the original list by 10 and then dividing each of the six results by 7. What is the standard deviation of the new list of six numbers?
The length of a diagonal of a square is greater than 12 but less than 13. Which of the following could be the perimeter of the square?
By approximately what percent did the stock price per share of Brand S coffee increase from January to December?
For each of the 5 months July through November, the stock price per share of Brand D coffee decreased from the price for the preceding month. Which of the following is closest to the average (arithmetic mean) of the 5 decreases in price per share?

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