Help me plz I dont know this part.

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

Which value would be a solution for x in the inequality 47-4x< 7

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?