The newest wireless headphones cost $275. The value of the headphones depreciates at a rate of 12% each year. If you plan to purchase them on ebay in two years, how much can you expect to pay for the headphone. Round to the nearest hundredth

Help please!

Choose the correct classification of 3x4 − 9x3 − 3x2 + 6. 5th degree polynomial 4th degree polynomial 9th degree polynomial 24th degree polynomial

This is so hard and it’s for a test

Use the sample data and confidence level given below to complete parts a through d.a research institute poll asked respondents if they felt vulnerable to identity theft. in the poll, n=1090 and x=549 who said yes. use a 99% confidecne level.a. find the best point of estimate of the population of portion p.b. identify the value of the margin of error e.e= round to four decimal places as needed.c. construct the confidence interval._ < p < _ round to three decimal places.d. write a statement that correctly interprets the confidence interval.