Answer:
the answer is 20
Step-by-step explanation:
use the pythagorean theorem
1] 12 x 12 = 144
2] 16 x 16 = 256
3] 144 +256= 400
4] find square root of 400 which is equal to 20
X < = 1 or x > 8
closed circle on 1, shaded to the left
open circle on 8, shaded to the right
This is the answer i supposed fot
