Which set of expressions are not equivalent? (9 c + 12) - c - 3 and 8 c + 9 4 c - 2 c - 3 and 2 c - 3 5 c - 2 c + 8 - 4 and 3 c + 4 0.5 + (10 c + 8) and 5 c - 4

Identify the number as a rational or irrational.explain. 127

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.

The first side of a triangle measures 5 in less than the second side, the third side is 3 in more than the first side, and the perimeter is 17 in. how long is the third side? if s represents the length of the second side, which of the following represents the length of the third side? s-5 ws-2 s+ 3 next question ask for turn it in