0
Wiki User
It is 6+7 = 13.
20
the sum of -2 and 6 and 7 is (-2+6+7)
6 + 7 = 13(Sum means add)
19
6(7+6a)
-6 + 7 - 4 = -3
7
Probability that the sum is 6 = 5/36 Probability that the sum is 7 = 6/36
-7+(-6)= -7-6= -13
29.
-1
its 18