Atruck has an average speed of miles per hour. how long will it take for the truck to go miles?

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?

Afootball is throw by a quarterback to a receiver

If sin(x) = 0 and cos(x) = 1, what is tan(x)?