A hat contains 20 slips numbered consecutively from 71 to 90. Karen draws 10 slips from the hat including the "74". Rob draws the other 10 slips including the "89". Each adds the numbers written on his or her slips. What is the largest amount by which Karen's total can be greater than Rob's total? PLS HELP PLS HELP

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

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?

Astore ordered 750 candles a total wholesale cost of $7910.20. the soy candles cosy $12.17 each and thespecialty candles cost $9.58each. how many of each were bought?