Answer:
130
Step-by-step explanation:
50 (given angle) minus 180 (what the angle should add up to)
50-180 = Measure of angle 1 (130)
it is not 130.its 50
50 is basically connected to the other part hope this helps the brainliest
X=-1
Y=-9
x^2+2x-8
x^2+2x +1 =8+1
(x+1)-9
the right answer would be 13
