Help PLS ILL GIVE BRAINLIEST FOR CORRECT ANSWER ANSWER CHOICES:

Help please, i'll give brainliest for correct answer!!!

Answer choices:

A: 210, 420, 630, 840, 1050, 1260

B: 10, 20, 30, 40, 50, 60

C: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70

D: 200, 400, 600, 800, 1000, 1200

a thesis statement is not a fact or a question

step-by-step explanation:

a thesis statement is a topic it is not a fact or a question

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,