Identify the percent of change as an increase or a decrease.

75 people to 25 people
find the percent change round to the nearest tenth of a percent

Which expressions are equivalent to -6 + 3m

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.

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?