PLS HELP 50 POINTS To find the amount of water that would fill the inside of an aluminum can, which of the following formulas would you use?

SA = 2 B + Ph
V = lwh
SA = 2 π r 2 + 2 π rh
V = π r 2h

7x+8y=-18, 4x-9y=-3 solve the system of equations

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3