Answer:
91
Step-by-step explanation:
Because the equation is equal to 91
91 is the answer. :0
-4,2
um
25 seconds
Skydiving.
height (in feet) above the earth=h(t)= -16t^2 + 10,000
the time it would take to fall when h is 0
-16t^2 + 10,000=0
-16t^2=-10000
16t^2=10000
t^2=10000/16=625
t=sqrt 625=25 seconds
x = 31, x = 19
