Ihave to write these as algebraic expression. #1. t decreased by 13 is less than 21? #2. the product of c and 5 is equal to 5? #3. 9 to the n?

Which of the functions below could have created this graph?

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.

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters