Write an integer to describe: the stock market increased 75 points

3382-299=3383- ? fill in the blank?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

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%