Points are: 0, -3 and 1.5, 0
Answer:
6
Step-by-step explanation:
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.
69
yes
55%=70.4
1%=70.4/55= 1.28
100%=1.28into 100 = 128