A(6,4) I know that OA and all that is something I do not know
Answer:
you do it your self just saying you good at it believe in yourself
You can draw a line to make a square and a rectangle to help find the area. The other method would be to form 2 squares and 1 rectangle.
This is probably wrong but I hope it helps!

P. S. The inequality sign changed or flipped when there's a negative figure involved.
Hope this helps. - M
Answer:
-3.9% I.e there is decrease in the population
Step-by-step explanation:
Population @ 1990 = 1585577
Population @ 2010 = 1526006
% change =
(1526006-1585577)/1526006 × 100%
= -59571/1526006 ×100%
= -3.9%