Can you pls help me 15 point you will earn???

Ineed i do not understand i'm only 8

What is the distance between (–2 1/2,-3) and (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