The elevation, E, in meters, of a skydiver s seconds after parachute activation is given by the equation above. What is the best interpretation of 420 as shown in the equation?

What is the area of the trapezoid shown ?

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?

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?