Combine like terms
9(x - y) +3 – 4y + x

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

How can you find the mean absolute deviation (mad) for this set of data?

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.