Are you sure your in high school, also it's answer #3.
Answer:

Step-by-step explanation:
Let's find our C value for the quadratic equation.

That is our C. Since we added 9 to one side, we have to do the same to the other. We get:

Now, lets form the left side as a binomial squared.

Let's square both sides now:

Now, we subtract 3 from both sides to isolate the variable, X:

This means that the answers are:

I do not understand your answers though. Answer A makes no sense, answer B is 221, answer C is 115, and answer D also does not make sense. If you could clarify this portion, maybe I can help you find your alphabetic answer
The answer is d because 12c=20 = c=65/12 divide by both sides
Answer
1:5
no of nurses: no of babies
2:10
step by step explanation :
divide both sides by the smallest i.e 2
you get
1:5
Tell me the problems and i may be able to help