Vertex p of δpqr has coordinates (−13, 2). if δpqr is reflected over the y-axis, what are the coordinates of vertex pʹ?
and can you explain how you get the answer?

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?