The cost of a pizza varies directly with the area of the pizza. If a pizza that is 12" in diameter and costs $10.80, how much does a pizza that is 16" in diameter cost?

A(t)=728(1+0.04)^t how much money did aditya originally invest

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent

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.