Find the value of k so given line has slope of m 3x-ky-4=2; m=-1/2

Which is the completely factored from of xy^3-x^3y

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?

The square root of 9x plus 7 plus the square rot of 2x equall to 7