Two lines, a and b, are represented by the equations given below:
line a: x + y = 2
line b: 2x + y = 4
which statement is true about the solution to the set of equations?
there are infinitely many solutions.
there are two solutions.
there is one solution.
there is no solution.

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?