Write a multiplication sentence to describe each model

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

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?