PLEASE HELP ME Sally organizes data in a table to show the net change in the number of people subscribing and unsubscribing to her newsletter each month.


Month 1 2 3 4 5 6 7 8 9 10

Change −7 10 −7 −7 10 −14 −14 −14 10 10

She writes the sum of the ten integers, then factors her expression.


She correctly determines the total change for the 10 months.