Help question in the picture!!

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

41/17 as a decimal rounded to the nearest hundredth

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%