Using powers of 10, give a low and high estimate for the number of teachers in the U. S.

The perimiter of a rectangle is 70 inches the legneth of the rectangle is 5 less than 3 times the width of the rectangle what is the width of the rectangle

Ahome improvement store rents it’s delivery truck for $19 for the first 75 minutes and $4.75 for each additional 1/4 hour. if a customer rented the truck at 11: 10 am and returned the truck at 1: 40 pm the same day, what would his rental cost be?

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.