A department manager is selecting team members at random to attend one of four conferences in Los Angeles, Atlanta, Chicago, and New York. If there are 20 team members, what is the probability that Jariah, Sherry, Emilio, and Lavon are chosen for the conferences? Express your answer as a fraction in simplest form.

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

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 graph shows the distance kerri drives on a trip. what is kerri's speed?