Find the segment length indicated. Assume that lines which appear to be tangent are tangent

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

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 distance between point a and b