Answer:
B) 16
Step-by-step explanation:
We have h(t)=0, because the ball is on the ground.
So we have:
-8(2t-32)=0
2t-32=0
2t=32
t=16
It took 16 sec
Answer:

Step-by-step explanation:
When dividing numbers with powers, it is handy to remember that

so

Answer: 27/3=9 which means 9$ per hour
32/4=8 which means 8$ per hour
Step-by-step explanation:
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