28 blue cars out of 63 cars

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 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