What is the square root of 64y16?
4y4
4y8
8y4
8y8

8y4 is the answer

Step-by-step explanation:

This is because the square root of 64 is 8 and the square root of y is y because is the same as 1y and the square root of 16 is 4.

+25 = x

step-by-step explanation:

here x is the hypotenuse of a right triangle whose legs are 7 and 24.   by the pythagorean theorem, 7² + 24² must equal x²:

x² = 49 + 576 = 625.   thus, x = +√625 = +25 = x