It's 3/4 because (y2-y1)/(x2-x1)
The set is not closed
Example:
-4 * -3 = 12 this is not a negative integer
The sum of 8m and 3 is 8m + 3
Answer is B. 8m + 3
Answer:
c) 28
explanation :
In this sequence:
a1 = 2
a2 = 4
a3 = 6
a4 = 8
a5 = 10
and so on...
then
the sum from a2 to a5 is:
a2 +a3 + a4 + a5 = 4 + 6 +8 + 10 = 28
