NEED HELP ASAP !! PLS AND TY <3 WILL MARK BRAINLIEST Part A: what is the constantly of proportionality and what does it mean in this situation?

Part B: choose one ordered pair on the graph. What does it represent in this situation?

What term makes it inconsistent y=2x - 4 ?

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

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.