Suppose a + b = 0.

Which one of these expressions equals ab?

a. a^2

b. - b^2

c. 2a

d. 0

e a/b

Solve, 2x + 4 and explain your answer

A circle has a circumference of 25.12 inches what is the diameter of the circle

Spencer has a rectangular garden. The length and width are both odd numbers and the perimeter is 16 feet. What can be the area of his garden? Find all possible answers.

On a baseball diamond, 1st base, 2nd base, 3rd base, and home plate form a square. If the ball is thrown from 1st base to 2nd base and then from 2nd base to home plate, how many feet has the ball been thrown?

What is the sum of - 3/5 and - 1/5? A. - 4/5 B. - 2/5 C. 2/5 D. 4/5

Mackenzie deposited $68 into a bank account that earned 4.3%

Can 21 go into 30 how many times

school buses use diesel fuel, which is an efficient and clean form of petroleum. One school has 60 buses. Each school bus carries 34 students. if all of the school buses are full how many students are on the school buses

Where is 10 in the real number system

What is the area of a rectangle with 5/12 foot and 2/3 foot? A 7/36 B 7/15 C 10/36 D 15/24