Try this solution, note, the shown way is not the shortest one.
The answer is marked with red colour.
Answer:
1. 168
2. 70
3. 15
Hope that this helps!
can I have brainy
Step-by-step explanation:
no, because it has a constant rate of change
this is because the x and y change at the same rate. non linear means that they dont change at the same rate.