Answer:
All real numbers less than 0
Step-by-step explanation:
I think it's this one because greater than 0 is wrong
This is very spread out just to show properly but you could get it smaller haha
Answer:
B is 50° and C is 130°
Step-by-step explanation:
complementary angle
x+x=90°
40°+x=90°
x=90°-40°
x=50°
supplementary angles
x+x=180
50+x=180
x=180-50
x=30°