a survey of adults aged 18 to 23 years old by gallup, inc. found that 51% live with their parents. The margin of error is 2%. let y be the actual percent. find the range of adults aged 18 to 23 who live with their parents.

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52