Use mathematical process and hints to fill in the blanks with the steps that are missing. then, use the mathematical process to explain

Which is an equation for the nth terms of the sequence 12,15,18,21

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

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