Substitue what y equals for y and solve.

Hope this helps.
b=5, commutative property
c=3, associative property
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Step-by-step explanation:
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Answer:
5.29 units
Step-by-step explanation:
By Pythagoras theorem:

Because both lines are parallel, if you add the 5x+5 to the 115 those would equal 180 degrees
so you have 5x+5 + 115 = 180
combine like terms:
5x + 120 = 180
subtract 120 from both sides
5x = 60
x = 60/5
x = 12