Using the system of equation given below, choose the correct order of row operations that will give you a solvable matrix.

the correct answer is 45x

9×5=45 then add the x

the discriminant is 64 + 4*1*12 = 112

this is prime.

step-by-step explanation:

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.