What is 8,000/500 show how u got the answer

The polynomial function of least degree with a leading coefficient of 1 is: f(x) = x3 + ax2 + bx + c

How do i find the missing angle measure in a polygon

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.