I would go with B i had this question on my test and i got it correct
Answer:
387
Step-by-step explanation:
Formula: 

Answer:
Step-by-step explanation:
<u>Given expression:</u>
<u>Distribute and simplify:</u>
- -0.5(20f) - 0.5(- 16) =
- - 10f + 8
Answer is D, use a straightedge to draw arces which intersect at a point
Angle A is 150
Angle B is 30
Supplementary= 180, so....
Angle A + Angle B = 180
150 + 30= 180
hope this helps