Jen and karen are travelling for the weekend. they both leave from jen's house and meet at their destination. jen drives 45mph the whole way. karen drives 60mph but leaves a half hour after jen. how long after jen leaves does karen catch up with her?

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

Find the multiplicative inverse of 8-12i

Look at the chart showing the results of a baseball player at bat. which is the probability of getting a hit?