Answer:
<em>b. 5 + 17i</em>
Step-by-step explanation:
suppose
x+122=180
x=180-122
x=58
then
x+w+33=180
58+w+33=180
w=180-91
w=89
4
(y+2)^2
Let y = -4
(-4+2)^2
Parentheses first
(-2)^2
Exponents
60
Central angle = intercepted arc
18/3 =6/1 and 12/2=6 so both answers should be 6