Simplify b (a+b) - a (a-b)

-a^2-2 ab-b^2

a^2+2 ab+b^2

-a^2+2 ab+b^2

a^2-2 ab+b^2

How many employees worked fewer than 8 hours yesterday?

Use 3.14 for and round to the nearest tenth. A circle has a radius of 6 inches. What is its area

Which expression is the factorization of x2 + 10x + 21? A. (x + 3) (x + 7) B. (x + 4) (x + 6) C. (x + 6) (x + 15) D. (x + 7) (x + 14)

Suppose ACT Reading scores are normally distributed with a mean of 21.4 and a standard deviation of 5.9. A university plans to award scholarships to students whose scores are in the top 9%.

If arc SQ = 92° and arc QR = 86°, what is the measure percent of ∠RPS

Consider a sequence that follows a times 5 pattern: 1, 5, 25, 125, ... a. Write a formula for the nnth term of the sequence. Be sure to specify what value of n your formula starts with.

Find the diagonal of a square whose sides each measure 3v2 units.

10 x (5 x 4) = (b x 5) x 4

5 Connie is working to earn $200. She earns $25 mowing her grandmother's lawn and $60 for a day of housecleaning. Which decimal represents the part of the money Connie still needs to earn and why? A 0.575 B 0.115 C 0.425 D 0.85

A farmer sells 9.7 kilograms of apples and pears at a farmer's market. 1/4 of the weight is apples and the rest is pears. How many kilograms of pears did she sell at the farmer's market What is the fraction