Evaluate −4x−y+4 when x=−1/4 and y=3. The value of the expression is .
(pls stay off here if you dont know how to do this because idk if yall know how it feels to fail math but im failing an trynna get t up pls stay off if u dont know)

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?