If 1/4 inch equals 50 miles, find the miles represented by 4 1/2 inches

If m is the midpoint of ln and ln=27.8 find the length of mn

For a project you need to make three triangles out of cardboard. each triangle has a height of 5 inches and a base of 10 inches. which equation can use to solve for the total amount of cardboard you will need?

Quick use technology to approximate the solution(s) to the system of equations to the nearest tenth of a unit. {f(x) = x - 6 / -x² + 8 {g(x) = i x i (dont know how to add an image) select all that apply. (-3.3, 3.3) (3.3, -3.3) (3, -3) (3, 3) (-3, -3) (can select multiple)