On the blueprint of a house, 38 millimeters represents 6 meters. the length of the living room is 57 millimeters on the blueprint. what is the actual length of the living room ?

Ineed if you could explain and give me the answer you! this needs done

Can any one me with the answers to these questions asap?

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%