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What is the greatest prime factor of 510?
What is the greatest prime divisor of $$3^{100}$$- $$3^{97}$$?
$$p$$, $$s$$, and $$t$$ are probabilities and $$0 \lt p \lt s \lt t$$.

Quantity A

$$p+st$$

Quantity B

$$s(p+t)$$


Which of the following is equal to (6)($$14^{8}$$)+(15)($$14^{7}$$)?
x and y are real numbers and x+y > 1

Quantity A

$$x^{2}$$+$$y^{2}$$

Quantity B

1


In the xy-plane, points (-4, 0) and point (4, 0) lie on a circle C.

Quantity A

The radius of circle C

Quantity B

4



PQ=QR=QS

Quantity A

PS

Quantity B

RS


A flat, rectangular flower bed with an area of 2,400 square feet is bordered by a fence on three sides and by a walkway on the fourth side. If the entire length of the fence is 140 feet, then which of the following could be the length, in feet, of one of the sides of the flower bed?
Indicate all such lengths.
$$a_1, a_2, a_3,.................a_n,......$$

In the sequence shown, $$a_{1}=4$$, $$a_{2}=2$$, and for all integers n greater than 2, $$a_{n}$$ is equal to the sum of the squares of $$a_{n-1}$$ and $$a_{n-2}$$. How many of the first 60 terms of the sequence are multiples of 3?

Each of the four semicircles shown in the figure has a side of the square as its diameter and has exactly one point in common with the larger circle. If each side of the square has length 4,what is the sum of the areas of the shaded regions?


The boxplot above summarizes a list of 240 numbers. Which of the following statements must be true?

Indicate all such expressions.
List A: -8, -3, 5, 7, 14
List B: -3, 2, 10, 12, 19

Quantity A

The standard deviation of the numbers in list A

Quantity B

The standard deviation of the numbers in list B


n > 2

List M={2, n, n, n}

List N={2, 2, 2, n}

Quantity A

The standard deviation of List M

Quantity B

The standard deviation of List N


Set A consists of all of the positive five-digit even integers that can each be formed by using all of the digits 1, 2, 3, 4, and 5. What is the number of integers in set A?
From a group of 100 people including Alice and Bob, 40 people are to be randomly selected at the same time to win movie tickets. What is the probability that both Alice and Bob will be selected to win movie tickets?
Give your answer as a fraction.
The prizes for a certain contest are in 5 sealed envelopes: 2 containing cash and the other 3 containing gift certificates. If 2 envelopes are to be randomly selected from the 5 envelopes, one at a time without replacement, what is the probability that at least one of the envelopes selected will contain a cash prize?
Give your answer as a fraction.


In the figure, point A is the center of the circle and points B and D lies on the circle. The length of DC is one-half of the length of AD.

Quantity A

The area of sector ABD

Quantity B

The area of triangle ABC


A certain truck takes 10 trips to transport 2,000 cartons from warehouse A to warehouse B. For each trip except the 10th trip, the truck is loaded to its full carrying capacity of x cartons. On the 10th trip, the truck is loaded with the remaining cartons.

Quantity A

x

Quantity B

210


Dr. Bradley treated a different number of patients on each of the 5 working days last week, and the least number of patients treated on any of the days was 20. No patient was treated on more than one day.

Quantity A

The least possible total number of patients that Dr. Bradley treated on the 5 working days last week

Quantity B

110


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