Your answer, in your set notation, is
{-2, 7}
The second choice than the fir2nd choice than the first choice for the second question
Six squared plus four equals 40
6^2+4=40
The answer is c. we add 4x^4+x^4. then cancel the -x^2+x^2 and also the -x and x . so, we are left with the -1. that's why the answer is c
It’s an integer, rational number, and a whole number