I believe that you do have it correct
1.) is B. caused by a virus. 2.) is C. Chronic. 3.) is C. Caused by a virus. 4.) is E. SARS 5.) is B. Many Antiseptic cleaners.
Wait are you looking for area perimeter or was there another question? the area would be 42^2ft, and the perimeter would be 29 ft
