The answer would be 54 medium T-shirts out of the 126 on the rack
When they say quotient, they want a fraction, so the answer for that would be

and the decimal form of that would be 0.6. You can get that from dividing 6 by 10 and solving with long division.
Y-(-2)= -2/3(x-6)
3y+6= -2x +12
2x +3y +6=0
Answer:
18 27 36 you just have to do your count byes for 9