1. The remaining length (L) of 120-inch per rope after X inches have been cut off 120 - x = l Proportional or not proportional

2. The total cost (T) after 8% sales tax is added to an items price (p): 1.08p=t
Proportional or not proportional

3. The number of marbles each sister gets (x) when m marbles are shared equally among for sisters: x=m/4
Proportional or not proportional

4. The volume (v) of a rectangular prism whose height is 12 cm and base is a square with side lengths cm: v = 12s2
Proportional or not proportional