The first one
Step-by-step explanation:
the other ones are not statistical
I hope this helps!
Answer:
you would use 85 to find angle 4, because they would add up to 180, so you would subract 85 from 180 to get angle 4
Step-by-step explanation:
First divide both sides by - 5,

Move the constant to the right side of the equation and change its sign (-4 => +4)

Add the numbers,

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I hope that helps you out!!
Any more questions, please feel free to ask me and I will gladly help you out!!
~Zoey
40% helping customers + 13% doing paper work = 53% of his time.
This means 100% - 53% = 47% of his time he is doing other tasks.