Answer:
Given an angle formed by two lines with a common vertex, this page shows how to ... The above animation is available as a printable step-by-step instruction sheet, which can be ... This construction works by creating two congruent triangles
Step-by-step explanation:
This should help just try to use this
Answer:
x=-5
Step-by-step explanation:

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Rounded to the nearest tenth would be 15.2%.
Answer:
Decreased by 40%!
Step-by-step explanation:
At first it goes down by 10%, then 30%, so you just add them together and get decreased by 40%.