9. the length of a rectangle is 3 cm greater than
its width. the perimeter is 24 cm. what are the
dimensions of the rectangle?

answer:

go on time and make sure you have at least 2 pens and pencils. read the questions carefully

answer:

i havent taken the psat, but i have the sat, make sure to bring some snacks, because youre in there forever, 2 sharp number two pencils, an sat approved calculator, and maybe a jacket.   your phone and any books will be taken up, so don't try to bring them(but they will be given back at the end of the testing).   good luck!   i hope you do well!