What is the answer to this question and please give an explanation. Please help me. Thank you.

What term makes it inconsistent y=2x - 4

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?