I would say A
hope that helps!!!
Answer:
for 9, the answer is 246.49
Step-by-step explanation:
This is area of a circle correct?
The formula is PI x radius squared.
3.14 x the radius, which is 5, squared
I am re-editing this
so sorry the answer is actually 78.54
The reason why it is 78.54 is that you need to square the radius before multiplying with PI.
Simply add the two dosages together, (0.15+0.025) and the answer is 0.175 :)
Answer:
1st one a^-1 , 2nd one a^b/a^c , 3rd one a^c/b^c