A cone with a radius 6 and height 12 has its radius quadrupled. How many times greater is the volume of the larger cone than the smaller cone? Explain how the volume of the cone would change if the radius were divided by four.

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%