The elevation at ground level is 0 feet. An elevator starts 90 feet below ground level. After traveling for 15 seconds, the elevator is 20 feet below ground level. Did the elevator travel up or down? What was the speed (in ft per second) of the elevator in the 15 second interval? PLEASE HELP I DONT UNDERSTAND

answer: a) (0,0), (1,1), (2,8), and (3,27).

step-by-step explanation:

0^3=0

1^3=1

2^3=8

3^3=27

in effect, the exponential equation for this would me y=3^x. each x-coordinate cubed is giving the y coordinate, so a is your answer : )

he has now walked a total of what?

if i know what this is maybe i can

step-by-step explanation:

answer4 to the second power is 16

and 4 to the third power is 64,

r = 78539458390583095803458309458039485093485 or just 3

step-by-step explanation: