Consider the series 4+8+16+32+ what is the common ratio?

Find the value of the cosine for angle a

Which math sentence can be used to determine if the triangle is a right triangle?

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?