+642 1) Find the sum of the series \(\sum_{n-1}^{15}(2n-1) \)
2) A supermarket display consists of boxes of cereal. The bottom row has 23 boxes. Each row has three fewer boxes than the row below it. The display has six rows. (a) Write and use a function to determine how many boxes are in the top row. Show your work. (b) Use the appropriate formula to determine the number of boxes in the entire display. Show your work.
3)The number of visitors to a website in the first week is 50. The number of visitors each week is double the number of visitors the previous week. What is the total number of visitors to the website in the first 8 wk? Show your work.
