Slove the system of linear equations by graphing y=-x+7 y=x-1

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?

Which of these triangle pairs can be mapped to each other using two reflections?

Find the multiplicative inverse of 8-12i