The percent of decrease will be 255 because if you subtract 200 and 150 you get 50 which you multiply by 100 and divide that by 200 and you get 25%. B) 25%
(x-4)^2-19=y you first add the three to the other side, then add 16 on both sides, make the left side x-4 squared, and lastly you subtract 19 from both sides.
