A parachutist's elevation changes by -90 ft in 9 seconds. What is the change in the parachutist's elevation each second?

Divide total distance by total time:

-90 /9 = -10

-10 feet per second

The change in the Parachutists elevation each second is 10ft

Step-by-step explanation:

If you divide the elevation -90ft by 9 seconds you will get the feet per second. (-90/9) Hope this helps :D

answer: can and shows the work

step-by-step explanation:

t = 3

step-by-step explanation:

put t = 3 in this expression :

(3²-1)(3²-2)(3² - 3)(3² - 4) = 8×7×6×5 = 56×30 = 1680