-13 is rational and an integer.
No - an integer is a whole number - the closest integers to 12.5 are 12 and 13.
13.
13 is an integer and so the answer is 13 months, or k*13/k moths where k is any non-zero integer. There is nothing in the question requiring the measurement unit to be changed and, in any case, the answer would depend on whether the unspecified unit was a week or a year (or something else).
The positive integer factors of 273 are:1, 3, 7, 13, 21, 39, 91, 2731,3 7,13,21,39,91,273
-13 is an integer.
-13 is already an integer. It corresponds to the absolute value 13.
Integer.
13
-13 is rational and an integer.
-13/100
No, it is an integer.
2x + 1 is equal to or less than 13.
To the nearest integer, 13
-7(13) = -91 is an integer, not a fraction!
-3
No - an integer is a whole number - the closest integers to 12.5 are 12 and 13.