Subtract and reduce to lowest terms: 3 1/4 - 1 1/8

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

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

If 3x+8=3x+8 is it one solution or no solution