(7x - 23)° + (11x + 23)° = 180°
7x - 23° + 11x + 23° = 180°
18x = 180° / : 18
x = 10°
Answer:
A
Step-by-step explanation:
It is correct
17.76(5) = 88.15 + 27.52 = 115.67
Answer is A
16
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