Which expression is equivalent to -3- 3x – 1 + x?
0 2x– 4
- 2x + 4
-2x - 4?
& 4 - 2x

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? 0.62 0.78 0.84 0.96