The outer layer of the Earth is called the

A. mantle

B. outer core

C. lithosphere

D. crust

How do u graph y=18x+75?

You need to buy 18 rolls of film. One shop sells it for$9.95 plus 5% sales tax. Another shop $9.75 per roll and charge $15.00 to ship no sales tax. Choose the better of the two prices how much will you pay for 18 rolls of film?

Sarah drove for 39 miles with an average speed of 40 miles per hour. What amount of time was she driving for?

Work out 2/3 x 2 it has to be 20 characters so i am just writing this

What's 12ax+3xz+4ay+yz

Convert 39/5 to a mixed number written in lowest terms

the home teams score exceeded 2 times the visiting teams score by 5 if the visiting teams score is x which expression represents the home teams score

How to solve this equation x-9=-6x+5

Y=5x+21 and y=-7x-15

Two researchers are studying the decline of orangutan populations. In one study, a population of 784 orangutans is expected to decrease at a rate of 25 orangutans per year.