Aparallelogram has the vertices (-1,2) (4,4) (2,-1) and (-3,-3). determine what type of parallelogram. find the perimiter and area

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?