Factoring is the process of finding the factors of polynomials
For our quadratic:

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helps!
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Answer:
7 1/2
Step-by-step explanation:
Answer:
The Attachment has the answer
Step-by-step explanation:
Angle 10 is 140 degrees
Angle 2 = Angle 10 = 140 degrees (Vertically Opposite Angles)
Angle 5 + Angle 4 = Angle 2 (Corresponding Angles)
Angle 5 + Angle 4 = 140
90 + Angle 4 = 140 (Angle 5 is 90 degrees because c is perpendicular to d)
Angle 4 = 50