Thirty students are at soccer practice. Each group of three students needs a soccer ball and two field cones . How many balls and cones are needed in all? balls ___. cones .

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

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%

How many square centimeters of wrapping paper will be used to wrap the shoe box?