Answer:
Option D. 
Step-by-step explanation:
we know that
The volume of the cylinder is equal to

In this problem we have


substitute
-----> exact value of the volume
30% as a decimal is 0.3
Multiply 780 by 0.3
780(0.3)=234 female doctors
x^5 is your answer because you add exponents when they are not in separate paretheses.
-5|x + 1| = 10
-5 -5
|x + 1| = -2
No Solution