Find the perimeter of the triangle whose certified are the following specified points in the plane (5,-1) (-9,3) and (0,1

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Find the difference in area between the circle and the triangle. click on the answer until the correct answer is showing. possible answers: a = 4 pi - 8a = 9 pi - 9/2 √3a = 16/3 pia = 16a = 27 pi

Marco states that 7.696696669…… is a rational number because it is a repeating decimal. is he correct? justify your answer.