Please answer ASAP if you want 5 stars and brainliest.

1. M varies inversely as the square of P. If M is 9 when P is 2, then find M when P is 3.

2. The volume of a gas varies inversely with the pressure of the gas on its container. If a pressure of 25 pounds per square inch corresponds to a volume of 68 cubic inches, What pressure is needed to correspond to a volume of 80 cubic inches?

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I did these very quickly on paper so I hope you can read my handwriting.. 

Answers are as follows, and I'll attach the work.. Hope it helps.

1. 4
2. 21.25
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