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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)

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.