Please Select all that apply.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

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.

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?