_ ,38, _, _ ,_, -22 fill the boxes​

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

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

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?