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God loves all of you, remember that oK. Thts really all u need in life <3 7 if u know answer in comments - 8400(3)2t= H is
Step-by-step explanation:

Answer:
Height of the ball after 3 seconds = 27.4 feet.
Step-by-step explanation:
h(t) = -4.9t^2 + 22t + 5.5
h(3) means the height of the ball at time 3 seconds after the ball was thrown.
h(3) = -4.9(3)^2 + 22(3) + 5.5
= 27.4 feet