Answer: n=5
Because...
3n-8+8=7+8
3n=15
Divide 3 in both sides...
n=5
60 degrees or C. Since the missing angle is the opposite of the 120 degree angle, 180 degrees minus(since that is the amount of degrees in a straight line, and a circle contains 360 degrees) the other angle gives you your answer.
I believe it is: <span>reflect the graph about the </span>x<span>-axis and translate 4 units up</span>