At a private school, each first-year student is sorted into one of four houses. if 4 students are randomly selected from 19 available students, what is the probability that they are the four youngest students?

The ratio of dogs to cats at the local pet store is 5:3 If there is 12 cats at the pet store, how many dogs are at the pet store?

Which of the following is not a literal equation? a. x = y 3 b. x2 y2=z2 c. n n = 10 d. a/b=1

Sarah ran 2 miles and Jaime ran 15, 840 feet. How many miles did they run together? (The conversion factor is 5280 feet/mile.) A. 10,560 miles B. 10,560 feet C. 5 miles D. none of these

A local gym instructor has a course load that allows her to teach eight classes. At an interest meeting, 8 people wanted high--impact aerobics, 64 wanted low--impact aerobics, 11 wanted jazzercise, and 31 wanted step exercise.

What is the value of the expression 3a

Which property explains why these two expressions are equal? a (b + c) = a (c + b) A) identity property B) symmetric property C) associative property D) commutative property

Steve paid 10% tax on a purchase of $40. Select the dollar amount of the tax and the total dollar amount Steve paid on the number line.

Solve 12 = 3/4n using the equation method

A = {1, 3, 5, 7, 9} B = {2, 4, 6, 8, 10} C = {1, 5, 6, 7, 9} A ∩ (B ∪ C) =

What is - 5 equals I + - 4