Sorry the last one was actually math

The solution to the system of equations (-2,2)

Thats where they was ported and the fields that noone really knew much about needed tended, so they put slaves out there do free work and huge profits and so on the north decided to hold its own and was more different way of survival did not have same climate conditions to afford protecting slaves from winter so expenses be diff from south

Part a)  product a is decreasing by 18% per year1 - .18 = .82part b)  which product recorded a greater percentage change in price over the previous year?   product b recorded a greater percentage change.  justify your answer: the equation for product b is  y= 10000(.56)^x , and 1 - .44 = .56product b decreases by 44% per year