Which statements are true about triangle abc and its translated image, a'b'c'? check all that apply

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

Which graph represents an even function?

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)