The answer should be "fixed". Most past participles of any word should have the "-ed" part.
Hope that helps!
The number is 438 because if you round 30 to the nearest 10 then it is 40
and the 4 in 438 stays the same.
<span>C. Where the item can be found within the library
A call number is similar to an address. The call number indicates where a particular book is located in the library. Depending on the specific classification system, call numbers can provide information on genre, floor, and even shelf locations.</span>