Help this is timed Its Math dont answer if u dont know

What is the lcm of 16 and 40 ? 24 and 40 ?

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

Find the solution of each of the following.