A lathe was bought for $9,800. The insurance company decides to calculate the depreciation each year as 5.5% of the book value at the beginning of the year. Calculate the book value of the car at the end of 10 years.

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours

I’m really confused and need your assist me with this question i’ve never been taught