Help Use mathematical induction to prove the statement is true for all positive integers n.
6 + 12 + 18 + ... + 6n = 3n(n + 1)

The inside wheels of a car traveling on a circular path are rotating half as fast as the outside wheels. the front two wheels are six feet apart. what is the number of feet in the path traced by the inside front wheel in one trip around the circle? express your answer in the form "k \pi", where k is an integer.

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Steve had 48 chocolates but he decided to give 8 chocolats to each of his f coworkers. how many chocolates does steve have left