What is the slope of the line? (Linear equations and slope quiz I-ready)

Which of the following are parts of a sphere

Which of the following is true for the relation f(x)=2x^2+1

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