Question

Help me solve this problem please

Answer 1

C. 16

Explanation:

y^2-z^2

(-5)^2-(-3)^2

25-9

16

Answer 2

Explanation:

y = - 5

y^2 = (-5)^2

y^2 = 25

z = - 3

z^2 = (-3)^2

z^2 = 9

y^2 - z^2 = 25 - 9 = 16