Which set of ordered pairs does not represent a function

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

What dimensions can créate more than one triangle ?