What is (7−4n)⋅6 fast

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%

Pls brainliest will be awarded if answer is correct

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?