Step-by-step explanation:
it comes to
Answer:14
Answer:
b. t = 10.5 seconds.
l = 0.81t^2
90 = 0.81t^2
t^2 = 90 / 0.81
t^2 = 111
t = 10.5 seconds.
x=46
subtract 13 from both sides
x=59-13=46
