A number cube is rolled in an experiment, and the frequency of each different roll is recorded. What is the experimental probability of getting a
4
or a
6
?

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. ?

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?