A plane took a Navy Seal to a height of 12,000 feet above sea level. The Navy Seal jumped out of the plane and parachuted into the sea 12,000 feet down. Once in the sea, the Navy Seal dove 100 feet down before rising back up 80 feet. What is the Navy Seal's current depth?

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expressions 4s +9s represents the total number of items that will be displayed on s shelves. simplify this expression

Sketch one cycle if the cosine function y=2cos2theta

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks