Step-by-step explanation:
angle 2 = 49
angle 1 = 131
angle 3 = 112
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Answer:

Step-by-step explanation:
Given


Required

We have:

This gives:

Open bracket

Collect like terms


Answer:
Answer choices A and D. E would also be correct but it's a perfect correlation and the question said "strong but not perfect"
Step-by-step explanation:
Answer:

Step-by-step explanation:


18a-14 Would be your answer because you are basically distributing which is taking the number on the out side of the parenthesis and multiplying it by all the numbers inside of the parenthesis