Mika wants to buy two types of cookies. the vanilla cookies cost $4 per box and the peanut butter cookies cost $6 per box. she wants to spend no more than $30. think about the inequality that represents the given scenario if x represents the boxes of vanilla cookies. select all of the following statements that are true about the graph of this inequality.
the boundary line is solid.
the boundary line has a negative slope.
the point (–1, 17) is a solution.
the point (0, 5) is a solution.