The points (2,-2) and (-4,13) line on the graph of a linear function of x. which point also lies on the graph of this function?

Which expression is equivalent to? assume x > 0 and y > 0.

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Alana has 12.5 cups of flour with which she is baking four loaves of raisin bread and one large pretzel. the pretzel requires 2.5 cups of flour to make. how much flour is in each loaf of raisin bread? explain the steps to follow to get the answer.