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Volume of cylinder with a radius of 8cm and height of 25 cm

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)

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12