Darren is driving to visit family she drives at an average of 65 miles per hour she drives 227.5 miles before lunch and then 97.5 miles after lunch how many hours did she spend driving

What is another way to express 36 +32

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?

What number is 7 units left of -15?