Answer:
a=13m
Step-by-step explanation:
that's it in the picture
Step 1:
a) Write the quadratic model
a = -15.64
b = -1.24
c = 5.23
b) t = 0.30
c) t = 0.52 seconds
d) 0.30 is more likely to be relaible.
e)
9632
or
9966
im not 100% sure