Express 3*(4*5) as a common fraction given a*b= ab/a+b .

Liam's parents are driving three times as fast as liam is biking, but they left later than he did. if his parents caught up with him two hours after he left, how much later than liam did they leave?

Find the quotient with the restriction.

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?