Identify the zeros from each function , please help its for today

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank

Which graph represents the equation y =4x

At 6 1/2 cents per pound of string beans how much does 7 pounds cost