Which number line model represents 1 + (-3)?

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

Math question.. plz me .. best answer all

Which equation can be solved to find x the measure of jk in the apex