Pick the expression that matches this description:
a 3^rd degree binomial with a constant term of 8
choose 1
(choice a)
8x^3+2x+3
(choice b)
2x^8+3
(choice c)
-5x^3+8
(choice d)
x^3-x^2+8

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?