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The expression is -9 + 13 + 12
-5 x 3 + 2 = -13
An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2. 13 is an odd number.
A prime number can only be divided by itself and 1. 4 can be divided by 2 26 can be divided by 2 15 can be divided by 3
13 is a prime number so none