Mary has $10 in savings. she owes her parents $50. she does some chores and her parents pay her $12. she also gets $25 for her birthday from her grandmother. does mary have enough money to pay her parents what she owes them? if not, how much more does she need?

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.