What is the slope of the line that passes through (3, −7) and (−1, 1)?

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e

Which of the points a(6, 2), b(0, 0), c(3, 2), d(−12, 8), e(−12, −8) belong to the graph of direct variation y= 2/3 x?