The coastline of the united states is 12,383 miles long. canadas coastline is 113,211 miles longer than the coastline of the united states. how long is the coastline of canada?

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%