NEED HELP. DOING QUIZZES TO GRADUATE HIGH SCHOOL IM BEGGING AT THIS POINT.

15 points ! ~ see if you know the answer to both you!

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

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