Ineed now
is -9.3 an integer

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❖ -9.3 is NOT an integer.

An integer is a negative or positive whole number and 9.3 isn't a whole number.

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i believe the answer is c.

using the formula for pythagorean theorem (a2+b2=c2)(the twos are exponents), and knowing that you have b squared and c squared, just reverse it. 26 squared minus 10 squared equals c squared. 26 squared is 676 and 10 squared is 100. you get 576, then use your square roots to undo the squared numbers to get 24.