There are 15 holes equally spaced 73 millimeters from the center on the disc brake. use trigonometry to calculate the (x, y) coordinates for holes a, b & c. round your answers to the nearest decimal place. (pls explain the work so i can write it in! ) (30pts)

In the surface area formula for cylinders which expressionrepresents the lateral area

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.

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?