Me Greene is preparing 28 bags of materials for his art class each bag needs 40 glass tiles how many glass tiles are needed?

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

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?