Greg has an mp3 player called the jumble. the jumble randomly selects a song for the user to listen to. greg's jumble has 6 classical songs, 7 rock songs, and 9 rap songs on it. what is p(not a rap song) if necessary, round your answer to 2 decimal places.

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

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. ?