Which method(s) can be used to solve a system of equations? select all that apply. distributing graphing substitution formulas addition modeling

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?

Can someone check my answer? you : )

Anyone know? will mark brainliest if you're correct!