Answer: 4m-8
Step-by-step explanation:
Remember to distribute the negative sign!
m-8+3m
4m-8
An x-intercept is namely a "solution" or "zero" or "root" often called, and when that happens, y = 0, just like with any other x-intercept.

so what is its x-intercept anyway?
Answer:
1 =30 km
1/3=7,5 km
5=150
Im not sure tho but should be fine
Answer:
x= 3 while fo y = 7 that's the answer
The length of the trail is 98.5 KM, all you need to do is divide the total distance by the number of times she went on it.