To get the answer you would subtract 11% from 100%, getting the answer 89%.
B= 30
a2+b2=c2
72^2+b^2 = 78^2
5184+b^2 = 6084
b2 = 900
b = 30
The answer is c because it’s 9+6 and then u divide it it just makes more since
Answer:
-x with an exponent of 2 + y with an exponent of 2
Step-by-step explanation:
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