Which expression is equal to 7 (1+3)

A.) 7+21

B.) 7+3

C.) 1+21

D.) 7+4

Enzo's mean score is 44. Zahra's mean score is 38. The difference between the mean scores is about how many times the mean absolute deviation of the data sets, to the nearest whole number?

Which of the following shows a number as a product of prime numbers in exponential form? Choose all that apply. A) 2^3 x 3 x 6 B) 2^3 x 3 x 5 C) 3^2 x 5 x 10 D) 3^2 x 5^2

18% as a fraction in simplest form

In the expression 5x + 3xy - 7yz + , which of the following choices is the numerical coefficient in - 7yz?

Which ordered pair (*, y) satisfies the inequality?

Twelve of the 28 students in a class have a dog. What is the ratio of students who have a dog to the students who do not?

Whats an example of a repeated decimals

How do I find the rate of something?

South Middle School has 750 students. North Middle School has 13/15 times as many students as South. Does North Middle School have more or fewer than 7500 students?

8 times 51 show your work