Step-by-step explanation:

Answer: C 45
Step-by-step explanation:
To make things easier, Moesha will be variable 'm' and Damian 'd'.
Number of songs in m's library would be 2d+17 and if d= 5, m=27
Answer:
2313
Step-by-step explanation:
60*15=900
Circle radius is 30
3.14*30^2=2826
2826/2=1413
900+1413=2313