A is the right one:
a. 3:4=9:12
3×3:4×3=9:12
Answer:y= -2/3 x -2
Step-by-step explanation:
you find the slope of the line and... I can't remember I did this so long ago
They must have the same solution because they are doubled from eachother
Solve is the certain answer, not "check the equation" silly. Now, I must solve some more problems on Brainly :)