If a system of equations consists of 2 parallel lines, then how many solutions does it have? plz answer asap

Aphoto of a painting measured 13 x 17 inches the scale of the photo to the original painting is 1 inch to 3 inches. what is the size of this painting

Find the solutions for a triangle with a =16, c =12, and b = 63º

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)