Find the value of -7 + (-9) + 11 + 8.

F(x)=|x| is shifted down 4 units and to the right 3 units.

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

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)