the answer is right. its 56
Answer:
why you color out the first part? what exctly is the question?
Step-by-step explanation:
First angle= x+10
Second angle = x
Third angle = x+x+10 or 2x+10
X+10+x+2x +10=180
4x+20=180
Subtract 20 from both sides
4x=160
Divide both sides by 4
X=40
First angle =50
Second angle=40
Third angle =90
Answer:
D
Step-by-step explanation:
<span>8x^2-8x-13 is the correct answer </span>
