What is the fraction 36/80 expressed in lowest terms?

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?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3