Find the zeros of f(x)=-x^2+6x+27

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?

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

Find the solution of this system of equation -7x+y=-20 9x-3y=36