C. monomial because xy is only one number and not two.
Your answer will be 7/843 hours
The answer is D. You just move 10 units down from point F.
Answer:
20 m
Step-by-step explanation:
The height of the ball in metres is given as:

where xis time, in seconds.
At the instant that the ball is thrown, the time is 0 seconds. This means that the height will be h(0):

The height of the ball is 20 metres.