Answer:
96 degrees
Step-by-step explanation:
STR + STQ=180 degree
Substitute
x+x-12=180
2x-12=180
2x=192
x=96
X= -5 because you divide -5x by -5 to get x alone so you have to 25/-5 which is -5
Answer: A
Step-by-step explanation:

X= 7/93 or roughly 0.07526...