30
15 is a positive number.
(+12)-(+15) = -3
15 ( 1,3,5,15)
negative 15 plus positive three = negative twelve -15 + +3 = -12
Yes, 15 is an integer. Integers are whole numbers that can be positive, negative, or zero, and 15 falls into the category of positive integers.
15 C is positive
Negative 15 plus positive 20 equals 20 minus 15, which equals 5.
The sum of the first 15 positive even numbers is 240. (Simply square 15, then add 15 to the result: 15 x 15 = 225. 225 + 15 = 240).
+15 and -15.
They are additive inverses.
The result will be positive in this case.
+15 - (-3) = 15 + 3 = 18