Answer:
depending of the activity, learning subject, the hour or the class
Step-by-step explanation:
I am bore it seems that you are and thanks for the points :D
Answer:40%
x = 8
y = -7
3y - 5x = -61
-----------------------+
-9x = -72
3y -5(8) = -61
3y - 40 = -61
3y = -21
