Round 25,000 to the nearest ten thousand

How can you decide witch operations to use to slice a two step equation

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

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.