Which of the following values is closest to the variance for the set of data shown below?
99,78, 56, 11, 43, 22, 16, 31, 49, 28, 37, 29, 30, 38, 34

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)

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?