If a parking lot holds 1600 cars in a 3 quarter lots how many spaces will it fill

Ineed with number 17 i don’t get it at alll

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.

Is this a polynomial function? i need to know asap