Help me with this please

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

What is the binomial expansion of (2x-3)^5

Select the correct answer from each drop-down menu. james needs to clock a minimum of 9 hours per day at work. the data set records his daily work hours, which vary between 9 hours and 12 hours, for a certain number of days. {9, 9.5, 10, 10.5, 10.5, 11, 11, 11.5, 11.5, 11.5, 12, 12}. the median number of hours james worked is . the skew of the distribution is