What is the value of n?
9×27+2×31-28=n

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.

True or false look at the picture pls : /

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?