I’m struggling. help.

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

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%