At a snack bar a large bag of popcorn cost $2 and a small bag cost $1. how many ways can someone spend $7 on popcorn?

the function makes a strait line horizontally with no x intercept but a y intercept at 9.

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)