Answer:
The answer is 13 hope it helps!<3
Step-by-step explanation:
x² + 4x − 4 = 8
x² + 4x − 12 = 0
(x + 6) (x − 2) = 0
x = -6 or x = 2
B
45-45-90 rt. triangle
3/10, or 23.1%