Find the least common multiple of x 3 - x 2 + x - 1 and x 2 - 1. write the answer in factored form. a. (x + 1) 2(x - 1) b. (x + 1)(x - 1)(x 2 + 1) c. (x 3 - x 2 + x - 1)(x 2 - 1) d. (x + 1)(x - 1)(x 2 - 1)

Part a : solve - vp + 40 < 65 for v . part b : solve 7w - 3r = 15 for r show your work!

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.