I need the answer for this because i do not understand it

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