Allison is buying a car. All the cars she is looking at cost at least 4,000. She already saved 2,600 and her brother will loan her $500. How much more money does she need to save?

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Ten times the square of a non-zero number is eqaul to ninety times the number

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.