Using the variable x and y form any two simultaneous equation​

6people equally share 56 gummy worms. how many gummy worms does each person get? nine and one sixth gummy worms nine and two sixths gummy worms ten and one sixth gummy worms ten and two eighths gummy worms

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Ineed with number 6 , explain how to get 1978