a) If the average rate of return Lisa earned for the investment is 7.6% per year, how many years she has maintained the investment so far?

Based on what i know about mean, this doesn't add up.

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.

The graph shows a vertical translation of y= square root of x cubedwhat is the range of the translated function? {yly < 0}{yly > 0}{yly is a natural number}{yly is a real number}