Answer:
y=4x-1
Step-by-step explanation:
28 miles per hour is your answer 154 divided by 5.5, simple math hon :) good luck.
Answer:
Yes. No graph paper.
Step-by-step explanation:
Let's say the 3 points are A, B, C.
If A, B and C lie on one line then 

Hence, they lie on one line.
You don't need to use a graph paper to prove it.