Please hePlease necassary answers I need 9 and 10

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.

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Simply 8x squared + 5(7x squared- x) - 2x =