Answer:
the K/D range is 22%
Step-by-step explanation:
8:15 or 8 to 15 would be the ratio because you compare 8 quarters to 15 coins.
15-7 is 8! so 8 is the length of the side with the ?

The appropriate choice is ...
... D) 1.0×10⁻³ inch
These quantities are related linearly with slope
3/2. without knowing the answer choices I can only give you examples of equations that fit
y-2=3/2(x-2). or y=3/2(x) -1
etc