Srry idk the ans for this que
Answer:
C. 
Step-by-step explanation:
= Diameter of a red blood cell = 
= Diameter of a whooping cough virus = 
Ratio of the diameter of the red blood cell to the diameter of the whooping cough virus

The required ratio is
.
Answer:
-699.2
Step-by-step explanation:
Answer:
This is a compression by a factor of 3 in the x direction
(horizontal compression by factor of 3)
This reflects it about the x axis
Step-by-step explanation:
f(x)=|x|
h(x) = |3x|
This is a compression by a factor of 3 in the x direction
g(x) =-|3x|
This reflects it about the x axis