Answer:
<ABC = 80°
Step-by-step explanation:
find x first
<ABC = 1/2[(9x - 7) +(5x + 13)]
8x - 8 = 1/2(9x - 7 + 5x + 13)
16x - 16 = 14x + 6
2x = 22
x = 11
Plug in x = 11 into 8x - 8
<ABC = 8(11) - 8
<ABC = 88 - 8
the correct answer is
