The point A(6, 4) is rotated 90-degrees counter-clockwise about the origin. What are the new coordinates of A

Part a : solve - vp + 40 < 65 for v . part b : solve 7w - 3r = 15 for r show your work!

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.

Through non-collinear points there is exactly one plane.