The area of a square is given by X squared where X is the length of one side Marys original garden was in the shape of a square she has decided to double the area of the garden enter an expression that represents the area of Mary's new Garden evaluate the expression of the side length of Marys original garden is 9 feet

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.