Eleanor placed some marbles in a bag for an experiment. She reaches into the bag and grabs a marble. Eleanor writes down the color of the marble and then places the marble back in the bag. This process is repeated 100 times. The marbles are either red, black, or gray. The probabilities of randomly choosing a marble of a given color are shown below.

Write the sentence as an equation. z plus 372 is equal to 160

What is 20+(5 x 2/5 )+ 3 show your work

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.