A2 + b2 = c2 if a = 12 and c = 15, find the value of b using the pythagorean theorem. b = 399 b = 19.97 b = 81 b = 9

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Tina practice piano for 15 hours last month and 45 hours this month use multiplication to write a statement comparing me i was tina practice during the two months use addition to write a statement comparing the hours tina practice during the two months

What 2 forces allow things to fall ‍♀️‍♀️

What is the area of a pizza with a radius of 40 cm leave the answer in terms of π to find your exact answer 40π cm² 1600π cm² 800π cm² 80π cm² π=pi