Pls help me with this. :).it's urgent.

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?

What is the exact volume of the cone? (height is 9 cm, the radius is 15 cm)

What is 60²? need with this i forgot xd