Whats the answer to 9s+3=57

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

Yvaries inversely as x. y =12 when x=5. find y when x=4

Graph the line y=4/3 x+1 . use the line tool and select two points on the line.