HELP Part A
Jordan's house cost $100000 in the year 2000.
In 2008 she sold it for $90000.
Was the change in price a positive or negative change?

Part B
What was the percentage of change in the price of the house?
%

An airplane is flying at an elevation of 5150 ft, directly above a straight highway. two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35 ̊ and to the other is 52 ̊. how far apart are the cars?