Could someone help me with # 17 and 18?? I’ve been stuck on both for a while

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

What is the value of p in the equation y^ = -4x?

Why is x= 4 a solution to the proportion 14/x 56/1 6