Is this quadrilateral a parallelogram? Please help

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

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?

Find the nonpermissible replacement for binthis expression.b2/5b +5