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In a data set of 10,000 numbers varying from 20 to 80, the number 62 is the 60th percentile and the number 74 is the nth percentile..

Quantity A: n
Quantity B: 70
A historian asserts that at the beginning of 1852, the population of a certain mining town was 16,000. The historian also asserts that for each of the years from 1849 through 1853, the town`s population at the beginning of the year was twice that of the preceding year. According to the historian, what was the range of the town`s populations at the beginning of each year from 1848 through 1853?
Line l in the xy-plane contains points A and B with coordinates (-4,5) and (6,-1), respectively. Line k is perpendicular to l and contains the midpoint of line segment AB. Which of the following statements are true?

Indicate all such statements.
A survey of 550 male managers and 650 female managers was conducted. All 1,200 managers identified whether, for each of six characteristics, the characteristic is important to consider when hiring a new employee. For each of the six characteristics, the percent of managers surveyed who identified that characteristic as important to consider is given in the following table.
If n is an integer, what is the least possible value of $$3^{n}+(3)(3^{-n})$$
At a certain elementary school, 10 percent of the fifth-grade students are members of the school band. If 12 percent of the fifth-grade boys and 8 percent of the fifth-grade girls are members of the band, what percent of the fifth-grade students at the school are boys?
s, t, and u are integers, and 10 ≤ s < t < u ≤ 20

Quantity A

s+$$\frac{t}{u}$$

Quantity B

11


Ben has 30 pencils in a box. Each of the pencils is one of 5 different colors, and there are 6 pencils of each color. If Ben selects pencils one at a time from the box without being able to see the pencils, what is the minimum number of pencils that he must select in order to ensure that he selects at least 2 pencils of each color?
If $$p$$ and $$n$$ are prime numbers, $$p-n=4$$, and $$\frac{3}{2} \lt \frac{p}{n} \lt 2$$, what is the value of $$p$$?
The area of a circle with radius a is less than the area of a square with sides of length ka. Which of the following could be the value of k ?
Indicate all such values.

Which of the following statements about triangle PQR shown in the xy-plane are true?

The table shows the percent distrbution of financial support for a nonprofit organization, by source. The amount of financial support from individuals is approximately what percent less than the amount from corporations?

Data sets X and Y each consist of 4 values, as shown in the table. If the range of dataset X is 21, what is the range of dataset Y?
Three different committees consistof 8, 10, and 13 people, respectively. If N is the total number of different people in the 3 committees combined, what is the 1east possible valueof N ?
If $$\frac{17+m}{43+m}=\frac{2}{3}$$,what is the value of m ?
A certain box contains 4 red blocks, 5 blue blocks, and 3 yellow blocks. Judy will select one of these blocks at random from the box, put it back in the box, and then again select a block at random from the box. What is the probability that both of the blocks selected will be yellow?
Give your answer as a fraction.
A certain class of 90 students took a typing proficiency test. The average (arithmetic mean) score of the students who passed the test was 84, and the average score of the students who failed the test was 60. If the average score of all students was 80, how many students passed the test?
In the xy -plane, line l is parallel to the line y = 3x + 2. If line l passes through the point (1, -1), then line l passes through which of the following points?
Indicate all such points.

The center of the circleis O,and RS'= ST= 4. What is the lengthof arc RWT?

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