) The temperatures that Theo records are shown. Use an approximation to decide if the mean temperature is positive or negative.
Date
Te
) First round each temperature to the
nearest 10. What is the sum of the
rounded temperatures?

Asquare parking lot has 6,400 square meters what is the length in meters

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.

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).