Answer:
Step-by-step explanation:
12 + 4c + c = c + 4
12 + 5c = c + 4
12 + 4c = 4
4c = -8
c =-2
1st and 3rd are right
m5n5 15m2n2
Answer:circle
I got it right on the test.
1 1/8
4x+4x+7x=180
15x=180
x=12
