Answer:
2
Step-by-step explanation:
0=-16t^2 +64
0=-16(t^2 - 4)
0=-16(t-2)(t+2)
t=2 or - 2
It will take two seconds for the object to hit the ground.
Multiply numerator with numerator and denominator with denominator
So 8 x 9=72 5x6=30
So the answer is 72/30 Simplified is 12/5
