They aren't in order but I don't know how to do this...

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

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