Please help, I’m just getting back to school and forgot how to do this. Solve using y=mx+b.
slope = undefined, and point = (-4, -8).
Please use an explanation so I can understand better in the future!

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

Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.

Multiplying fractions by whole number 5 x 1/3=?