Which if the following is a factor for number 9

2(x+9) (x-9)

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Which of the following is the true for f(x) = 5cos

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