Answer:
The slope of the road as a fraction is 
Step-by-step explanation:
we know that
The slope expressed as a percent is equal to 
Convert the slope as a fraction
Remember that

Simplify
Divide by 5 both numerator and denominator

I'm assuming we need to simplify this expression. (Tip when you are writing n squared, please write n^2, not n2.)
Since we can see that there is a 5 in each term inside the ( ), we simplify have to remove that if the whole thing is going to be divided by 5.
Answer:
(15n^2-5n+45)/5
=3n^2-n+9
Answer:
55°
Step-by-step explanation:
total angle of a triangle is 180°
we are given 2 angles
85+40+ x = 180
180-125 = 55° (x)
Answer:
The answer should be 15%
Step-by-step explanation:
Answer: if u a math person shouldn't u know how to do it?
Step-by-step explanation: