Here is a circle with a radius of 15 units whose center is at (0,0).

1. If the y-coordinate of point C is 12, what is the r-coordinate?

Explain or show your reasoning.

2. Name 2 other points that must be on the circle.

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

Which function in vertex form is equivalent to f(x) = x2 + 6x + 3? f(x) = (x + 3)2 + 3 f(x) = (x + 3)2 − 6 f(x) = (x + 6)2 + 3 f(x) = (x + 6)2 − 6

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.