A person's part-time job pays $5.50 per hour. write an expression to represent the amount he earns for working n hours.

the person earns $ for working n hours.

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?

{0,1,2,3,4,5,6,20,21,22,23,24,25} the distribution is considered to be: skewed the right, skewed the left, not skewed?