A 30-minute TV program consists of three commercials, each 2 1/2 long, and four equal-length entertainment segments. How long is each entertainment segment? Enter your answer as an mixed fraction. Each entertainment segment is minutes long.

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

What is 0.000008 meters in scientific notation

Which fraction represents the ratio 35 : 42 in simplest form