Which of the following equations is proportional? select all that apply
a.3x=48
b. y=2x-12
c.2m+4m=18
d.6x+3=9
e.4x-x=16

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?

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?