X = 7 - y
x = -2y + 12

Which is an equation for the nth terms of the sequence 12,15,18,21

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 shows the pre image of triangle xyz