4cm multiplies 3 whole 1/2

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

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?