Answer:
y=sin(°/3) means that y equals the sine of a given degree divided by 3.
The solution to your problem is m>-2
3x+3=9
x=2
that way the answer is 9
Number of books = 42 / 5/8 (Note 3 1/2 feet = 42 ins.)
= 42 * 8/5 = 336 / 5 = 67.2
67 books will fit on the shelf.
