~ Sorry for taking so long to check your awswers. I emailed a friend who took the same test and 3/15 was marked correct on hers, so I went with that. Thanks for the help!
126. Think of problems like these as 12/1 times 21/2. 12 times 21 would be 252 and 1 times 2 would be two. This would leave you with 252/2. When simplified, 252/2 is 126.
When you reflect a point across the line y = x, the x-coordinate and the y-coordinate change places.
The same as the speed of light. Darkness is simply the absence of light, or to use more scientific terms, photons.
