Answer:
x2 + (x + 7)2 = 13
Explanation:
Because none of the others are corrrect
Answer:
D is the correct answer.
Explanation:
You can plug in 5 to x and get 169.
5^2 + (5 + 7)^2 = 169
25 + (12)^2 = 169
25 + 144 = 169
Therefore, D is the correct answer.
