I need help with 3 and 2

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

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1

Joanie watched 1 out of three of a movie in the morning