Prove the identity (a+b) (a-b) = a^2-b^2 For each step list the property or definition that justifies the step.

What is one equation that can only be true if b=2?

Fifteen percent of the students in seventh grade at Western Middle School have perfect attendance. There are 220 students in seventh grade. How many have perfect attendance?

Mr. Cutler makes clay bricks and clay tiles to sell at maker fairs. It takes him 10 minutes to make a brick and 20 minutes to make a tile. Each brick uses 3 pounds of clay and each tile uses 2 pounds of clay.

The factorization of x2 + 3x - 4 is modeled with algebra tiles. What are the factors of x2 + 3x - 4? (x + 4) and (x - 4) (x + 3) and (x - 4) (x + 4) and (x - 1) (x + 3) and (x - 1)

What is 10 3/4-3 1/2

You subscribe to m different magazines. Your friend subscribed to 2 fewer than you.

Show up materialize

Selena's snow cones stand sells Small snowcones for $2 dollars and large snow comes for $3.50 one summer day she sold $163 worth of snow cones.

Whats the radius if a basketball?

What is 66 divided by 117216?