Question

I need help with these questions multiple choice

Answer 1

x = 360 - 100 - 81 - 71 
x = 108

y = 180 - 71
y = 109

answer is B.
x = 108 y = 109
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17x+13+8x-8 = 180
25x + 5 = 180
25x = 175
x = 7

<A = <C = 8(7) - 8  = 56 - 8 = 48

answer is D) 48