HELP

Perform the indicated operation. 8/a - 6/a + 7/a

Which value of c would make he following expression completely factored? 8x+cy

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? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол