15. 8+7=15
8 + 7 = 15
A baby is more developed at 8 months than at 7 months.
x+7
Such a number cannot exist sine the relationship "less than" is transitive. That is: 7 < 8 Then, if x < 7 it follows that x < 8.
8
8
7 has two factors, 8 has more than two.
7 if you mean what is -1 + 8
One more than negative 8 is negative 7. When you add 1 to -8, you move one unit up on the number line, resulting in -7.
57
8(5+4)+7 = 79
Yes. 7/8 is more than 1/2 and a little less than 1, and 3/7 is less than 1/2.