Answer:
D. 165
Step-by-step explanation:
if A+n=180
75+90+n=180
165+n=180
n=180-165
n=15
A+n=180
A+15=180
A=180-15
A=165 (D)
Answer: 4=-2x -1 and y=-1 2x
x = -2
x = -8
please follow me
(3,5)