A local Dunkin' Donuts shop reported that its sales have increased exactly 12% per year for the last 2 years. This year's sales were $81,427. What were Dunkin' Donuts' sales 2 years ago? (Round each year's sales to the nearest dollar.)

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)

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%

How to simply and write the answer n a whole number