Which method would be best for solving this sytem of equations? 2x + 3y = 12 2x - 3y = 4 The substitution method The addition method The multiplication method The subtraction method

b. astronomers

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.

answer: when you burn wood, the carbon reacts with the oxygen in the air to create ash and smoke. that is a permanent change you cannot undo that.

step-by-step explanation:

idk

step-by-step explanation: