9
They are 18 and -2.
25
The integers are 7, 8 and 9.
9 and 10 9 + 2(10) = 29
9
29
They are 18 and -2.
-2 + -3 + -4 = -9
25
2 and 9 2*9 = 18 2+9 = 11
The sum of even integers cannot end with 9. why not
-4 and -5
The integers are 7, 8 and 9.
They are 8+9 = 17
The sum of the first 10 positive integers 1,2,3,4,5,6,7,8,9 and 10 is 55. The sum of the first 10 negative integers -1,-2,-3,-4,-5,-6,-7,-8,-9 and -10 is -55. The sum of the first 10 positive plus the sum of the first 10 negative integers is 0
9 and 10 9 + 2(10) = 29