Can someone help me please??

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

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?