If a^2 = 49 and b^2 = 64, which of the following CANNOT be a value of a + b?

Question

F. -15
G. -1
H. 1
J. 15
K. 113

Answer 1

Do I have to square root 49 and 64?

Answer 2

Yes.

Answer 3

Thank you Ms. Sue :).

Answer 4

You're welcome.