Pentagon pqrst and its reflection, pentagon p′q′r′s′t′, are shown in the coordinate plane below:

what is the line of reflection between pentagons pqrst and p′q′r′s′t′?
x = 1 y = x x = 0 y = 0

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.