Simplify the expressions.

a. 7 + 10x - 7 + 7x

b. 6 + 8b - 8b2 + 3b - 6 - 10b2

Solve the following equation for t. 1/3 (t-6) = - 2/5t + 14/15

It takes 24 h to fill a large basin with two hoses, where the water in one hose flows four times as fast as the other hose. How long will it take the slower hose to fill the basin if the faster hose is not functioning?

When you own a pet, there are one-time costs, such as a leash, and continuing costs, such as food. Suppose the one-time costs for owning a small dog are $180, and the continuing costs are $400 per year Which function models the average annual cost

Casey buys a bracelet. She pays for the bracelet and pays $0.72 in sales tax. The sales tax rate is 6% What is the original price of the bracelet, before tax?

What property is n=1•n

Tony's class needs more than $500 for the school dance. So far, they have raised $200. They plan to have a car wash, charging $8 a car, to raise more money.

Kurt is designing a table for a client. The table is a rectangular shape with a length 26 inches longer than its width. The perimeter of the table is 300 inches.

Which of the following is equivalent to (2x+3) (2x+3) ?

Solve the following equation - 4=7/33x A. x = 132/7 B. x = - 132/7 C. x = - 7/132 D. x = - 33/28

What expression represents how many years are in x months?