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C = 71 a = 3 b = 4

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)

If square root x = -7, then x= -49 true or false

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box