Express each equation in slope-intercept form. -2x+4y=68, 13x+4y=284

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

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?