Jim bought a $576 tv with the cash in his wallet. he now has $137 in his wallet. write and solve an equation that shows how much he originally had in his wallet.

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.