How to solve this? 10x+4y < 12 8x-3y > 20

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

According to the data set, where should the upper quartile line of the box plot be placed?

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%