10 inches your hypotenuse is always going to be equal or bigger than the sum of the two sides
I think it is the tens because the first is ten thousand, second is thousand, third is hundreds and last is units ones
(fg)(x)=f(g(x))=4(g(x))²-5=4(x+3)²-5=4x²+24x+31
Answer:
23 + 16 = 39
39 - 16 = 23
the student did not reverse the sum correctly