Answer:
C. The total amount spent on drinks by Andrew.
Step-by-step explanation:
y itself would be the number of drinks purchased, and 2.5 is the cost. And since is is 2.5y then it represents the total amount.
Well you need an equation because how many friends were at the party? x*12x10=w thats your equation or however you want to put it. the letters are your variables
(B) Opposite sides are equal (otherwise, trapezoid, etc)