Determine which of the following equations, when graphed, intersect at the point (4,0). Select all that apply.
X-y=4
-x-y=4
2x-y=7
O x+y= 4
2x+y=7
2x+y=-7

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?