NEED THIS ANSWERED ASAP.

y=–5x + 30x=10

What is the solution to the system of equations?

(–20, 10)

(10, –20)

(10, 4)

(4, 10)

The answer is B, i had to find out on my own

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