Solve, and show your work 2+r > -3 -- 4

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1

The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. what is the probability that, in any seven-day week, the computer will crash less than 5 times? round your answer to four decimal places