The prime factorization of 80 can be written as 2 x a. Which number can replace a ? A 3
B 4
C 5
D 6

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?

Solve the equation for x.3(6x - 1) = 12 i've tried doing the math and i can't find out what i'm doing wrong