1) (5, 1) is a solution to the following inequality. x - 4y < 1? Use substitution in order to answer the question. True or False?

2) (-3, 5) is a solution to the following inequality: 4x+5y ≤ 12? Use substitution in order to answer the question. True or false?

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%