If you had an area of 100 square millimeters, what constant of proportionality would you use to convert to square centimeters?

Two lines parallel to the same plane are parallel to eachother

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%

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost