A. 18 - 25 because 29% plus 23% equals 52%
Answer: A. 
Step-by-step explanation:
Given : A certain CD-ROM disk can store approximately
megabytes of information.
1 megabyte =
bytes
Then, The storage capacity of CD-ROM disk will be :
If an average word requires 14 bytes of storage, then the number of words can be stored :-

Hence, number of words can be stored = 
D. y = 9 because it has a complete zero slope while the y-intercept of the equation is 9, so the equation is y = 9.