The cost of cabin lodging is $25 per lodger. the equation y = 25x relates the total lodging cost (y) to the number of lodgers (x). identify the unit rate in the equation. a) x b) 25 c) y d) 25x

Concerned about campus safety, college officials want to estimate the percentage of students who carry a gun, knife, or other such weapon. how many randomly selected students must be surveyed in order to be 95 % confident that the sample percentage has a margin of error of two percentage points?