The graph shows the solution to which system of equations? A) y= x +2 and y= -x -4

B) y = 3x + 7 and y = x+12

C) y - 2x - 3 and y-2x + 1

D) y = -x + 4 and y = -2x+5

Milk and ice cream are mixed together for a recipe. the total volume of the mixture is 1 cup. if the milk contains 2% fat, the cream contains 18% fat ,and the mixture contains 6% fat ,how much cream is in the mixture