2. Find the lateral area and the surface area of a regular hexagonal
pyramid with a slant height of
10.5 centimeters and a base edge
of length 6 centimeters.

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.

Last month, leonhard euler's watch kiosk at the mall had total sales of $9,489. merchandise totaling $225 was returned. the goods that were sold cost leonhard euler's $5,481. operating expenses for the moth were $992. what was the gross profit on sales?

For what values of a is the sum of the fractions 2a−1 / 4 and a−1 /3 positive?