Answer:
(9,3)
Step-by-step explanation:
(8+10)/2. (5+1)/2
18/2. 6/2
9,3
-- these are called same side exterior angles, which means they are supplementary.
x + 9 + 2x + 6 = 180
3x + 15 = 180
3x = 165
x = 55
so, option B.
B
Answer:-2x^2+3x-7=0
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