What is this expression in simplified form? (22 square)(5 square2)

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?

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73