Answer:
9
Step-by-step explanation:
3 1/2/4=3 1/2*4=3 2=9
Answer: 1
Step-by-step explanation:
It's khan so ik the answer, Trust me
The standard form of the equation of a circle is:

Where the point (a,b) represents the centre and r is the radius. So, given your information, the equation will be:
-3x4.5=13.5. 4.5x0.5=2.25
-13.50
+2.25
_____
15.75 pints