Pls help me with this

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

Which of the following represents the factorization of the trinomial below? x^2+7x-30

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.