Craig likes to collect records. Last year he had 12 records in his collection. Now he has 15 records. What is the percent increase of his collection? The percent increase of his collection is %.

Which of the following graphs could represent a cubic function?

Rationalize the denominator- 12x/√x-10

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.