Answer:
(x+1)(x-1)^3
Step-by-step explanation:
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A.12 hope you get a 100%
y=5x+(-19)
Refer to the picture that given
x = 12
Vertical angles are congruent, so ...
4x = 48°
x = 12° . . . . . . divide by 4
it will be 78.5 units ²