Please help I'll give brainiest

∆red ≅ ∆ by rule will give brainiest if possible

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 condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.