Answer:
y=mx+b
Step-by-step explanation:
The angle on a line is 180°
The sum of the three given angles is 180°:

Use this equation to find the value of x:

Then, the value of x is 25
Answer:
it would be a 9.38% increase
Step-by-step explanation:
27a² + 18ax + 45a = 9a(3a + 2x + 5)
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This missing part is 3a + 2x + 5.
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