Write an equation
use g, 21,7

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Wrote and expression for the difference of p and 4