Answer:
the answer for number 1 is 18
the answer for number 2 is 14
the answer for number 3 is 50
Capacity of the pool = 30 x 20 x 5 = 3000 ft³
Amount of water already filled = 30 x 20 x 4 = 2400 ft²
Amount of water needed to full the pool = 3000 - 2400 = 600 ft²
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Answer: 600 ft² of water is needed to fill up the pool.
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The answer is y=3+7x i think not sure
