$69 shoes; 6 5 tax what is the answer

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

State one method by which you can recognize a perfect square trinomial.

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.