What is the lcd of 3k/40 and k/18? 360 720 3k 3k 2

Ifigured out the question and i dont know what to put here

It says factor each expression completely 8y+48

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