A line plot with Brianna’s ribbon lengths is shown. She adds 2 more ribbons so the total length of ribbon is 56 inches. What are the possible lengths of ribbon, in inches, that Brianna could have added?

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.

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog