Which statement is not true? x2 = 100 if and only if x = 10 or x = –10. if x = –10, then x2 = 100. if x2 = 100, then x = 10. if x = 10, then x2 = 100.

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?