Find value of z. give the answer in simplest radical form

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

What term makes it inconsistent y=2x - 4

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