Pls help I’ll brainlest for the right answer

Easy points boii. read it. ya. fresh

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

Which of the following points is a solution to the system of equations shown? y - x = -1 x + y = -5