Solve for x in the triangle, round your answer to the nearest tenth

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b