An electric motor moves a chain that pulls the roller coaster car 180 meters to the top of the first hill. The chain exerts a force of 2,524 newtons on the car. How much kinetic energy does the car gain from the work done on it? Use the formula Change in KE = F × d.

If n stands for number sold and c stands for cost per item, in which column would you use the formula: ? a. column d c. column f b. column e d. column g

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Which of the choices shown could be used to prove that aacp=abcp ?