Answer:
your answer is c
Step-by-step explanation:
Angle C equals 63
Add angle 17 plus 100 and the subtract the answer from 180. Because a triangles are always 180 degrees
Ali's solution is incorrect
same as 9y + 1y
10y
13/20
make the common denominator 20
2/5 = 8/20
1/4 = 5/20
8/20 + 5/20 = 13/20
