Please do number 10 for me.

Matt and brian were solving a system of equations. they both noticed that the two lines had the same slope. brian said that because each line in the system had the same slope, the two lines had to be parallel, which meant the solution to the system was "no solution" matt disagreed, and said they should also look at the y-intercepts before determining how many solutions there were. who is correct?

In the diagram below, tan θ = sqrt 3. what is the value of m?

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?