What is the slope of the line through the points (-2, -1) and (8, -3)

Find and classify the slope of the line through each pair of points (2,,-16)

The probability of winning something on a single play at a slot machine is 0.11. after 4 plays on the slot machine, what is the probability of winning at least once

12 point are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr?