Answer:
3. 24
4. 10 1/2
Step-by-step explanation:
Just add the numbers then subtract from 12
Since 1 milligram = 0.001 grams you just have to multiply 75 milligram by 0.001 grams in order to get the grams.
75 x 0.001= 0.075 grams so the answer is F.
C = 2 * pi * r
C = 2 * pi * 18
C = 36pi or C