Nadia walked to a grocery store and, after browsing for 4 minutes, decided to buy a liter of milk for $1.12. nadia handed the salesperson $2.13 for her purchase. how much change did nadia receive?

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

What does independent variable and dependent variable mean in math?

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.