P'(12, -3) is the image of P after a dilation centered at the origin with a scale factor of
3. What are the coordinates of P?

That table shows measurements (in invhes$ from cubes with different side lengths. which pairs of variables have a linear relationship? check all that apply

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?

Could somebody me with this radical simplification?