Plot your data for each disease as points in a rectangular coordinate system.
Year	         1985	 1990	  1995     2000
Heart Disease	771,169	720,058	684,462	  710,760
Cancer	        461,563	505,322	554,643	  553,091
AIDS *	        8,000	25,188	39,979	  14,478
 
Use individual graphs to plot each disease
Using a smooth line, connect the data points for each disease graph. 

Using each curve, make a reasonable prediction as to the number of
deaths we might expect in 2005 due to each of these medical
conditions.