Answer:
-3y +12 = -48
-3y = -60
y = -60/-3
y = 20
Step-by-step explanation:
Step-by-step explanation:
-18.4,-17.3,-1.4,7.8,15.8,16.2
Answer:
Step-by-step explanation:
B
Answer:
option 4. 17
Step-by-step explanation:
<u>sum of angles = exterior angle x n</u>
360° = 21.2° n
n = 360 / 21.2
n = 17