Write the equation of the circle with center (-11, 3) and radius r = 9. use the ^ key for the exponents. write your answer as the example:
(x - 4)^2+(y+8)^2=25

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.