Mr. Lock bought 6 quarts of oil for his car. He spent $16.02. How much was each quart of oil?

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.

Which of the following is the major negative aspect of crossover designs for research studies? a. prohibitive cost b. residual effects c-subject drepout d. incomplete randomization e. large sample size required