Answer:
x = 55°
Step-by-step explanation:
x = 180° - 85° - 40° = 55°
y = 6
6 * y * 4 = 2 * 72
y = 2 * 72/24 = 6
B. (1,2)
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Answer:-3g+2
-7g + 4g+2 = -3g +2