Answer:
40
Step-by-step explanation:
use slope formula (4-12)/(7-21) = 8/14 (8/14)*70 = 40
Answer:
72°
Step-by-step explanation:
just add the two smaller angles to get the whole angle
45.3 + 26.7 = 72.0
Answer:
You need to post a picture.
Answer:
C. 
Step-by-step explanation:
c