For the first one it's 90.5, I know cause I just took the test and it's right. The second one I'm not sure..
Answer:
52
Step-by-step explanation:
56+(x+72) =180
180 because it is supplementary
Always add them all around and then divide the two and you should get the correct answer
X^2-5x+5x-25 (multiply (x-5) with (x+5))
X^2-25 ( -5x+5x =0)