Find the coordinates of point on the directed segment from (-1,1) to (4,5) that divides it into a ratio of 1:4

The scale for a map is 20 miles = 1/2 inch. the distance between two towns on the map is 3 3/4 inches. what is the actual distance between these towns? 150 miles 38 miles 75 miles 135 miles

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12