A decade ago, the average class size at Kingwood Middle School was 24 students. Now it is 25% smaller. What is the average class size currently?

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.

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.