Calculus limit question. which one of these answers is wrong, and what is the correct answer? It's probably either d, n, or k isn't it

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

Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75

Edger needs 6 cookies and 2 brownies for every 4 plates how many cookies and brownies does he need for 10 plates