A class has 29 students in how many different ways can five students form a group for an activity

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.

See attachment below and find the equivalent of tan(∠qsr)

Use sigma notation to represent the following series for 9 terms.