Use substitution to solve the system of equations.

5x + y = –24

x + 3y = –2

A. x = –5, y = –1

B. x = 5, y = 1

C. x = –5, y = 1

D. x = 5, y = –1

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