Represent the following sentence as an algebraic expression l, where “a number” is the letter x. you do not need to simplify. 7 less than the square of a number

Simplify. show your work. ( 6x-2 ) ^2 ( 0.5x )^4

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.

15 points ! ~ see if you know the answer to both you!