The correct option is (a) "Total path length". It cannot be negative or zero. Velocity of an object can be negative. If it move in the opposite direction of motion, then its velocity is negative. Acceleration can be negative.
In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.