Evaluate 5x - 4y if x = 5 and y = 3 *

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?

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Can some one me with these questions