A farmhouse shelters 16 animals some of them are chickens some of them are cows altogether these animals have 60 legs how many chickens and how many cows are in the farmhouse

Can someone me out here and the tell me the greatest common factor

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

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.