Duplicate of Sat Prep Sections A & B

Which of the following is equal to (5⁹⋅ 5³)².

If (5^x)(5^y)=(5^a)/(5^b), what is a in terms of x, y and b?

For how many positive integers,a, is it true that a²≤3a.

If 1<x<2, which of the following lists the numbers in decreasing order?

Which of the following statements is true?

What is the value of 2^-3 ÷ 2^-4 ?

For any integer,q, greater than 1, let ↑q↓ be the greatest prime factor of q. what is ↑102↓?

If a = 3(x - 7) and b = 3x - 7, what is the value of a - b?

If 6x=1 and 3y=8, what is the value of x/y?

If a=0.5, which if the following is less than a?

Which of the following is greater than 3/4?

If x and y are positive integers, and (11^x)^y= 11⁷, what is the average of x and y?

What fractional part of a week is 60 hours?

2/3 is the average (arithmetic mean) of 4/7 and what number?

Which is a possible value for x if 4/9 < x < 3/4?

What is the value of |(5 - 7) - (3 - 2)| ?

A SAT Prep class has 5 boys and 9 girls. Boys are what fraction of the class?

If 2/5 of a number is 13, what is 5/6 of that number?