The solution for a system of two linear equations is (0,0). which equation below could be one of the equations in the system?
a. y= (1/3)x + 4
b. y= -3x
c. y= 4x -5
d. y = 5 - x

Find the value of x for which abcd must be a parallelogram -9-6x x-30

If np3 /nc2 = 6, find the value of n

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?