First, take half of the coefficient of 18x then square it.
18 / 2 = 9
9^2 = 81
So, D. 81 is the answer.
Answer:
65
All the other numbers if you add up their digits it is 8.
1 + 7 = 8
2 + 6 = 8
4 + 4 = 8
6 + 5 = 11
26
Is only number divisible by 13.
44 is only divisible by 11
Step-by-step explanation:
Answer:
2x=3
Step-by-step explanation:
Hope this helped.
Answer:
Step-by-step explanation:
We want to find
This can be rewritten as;
Recall that;
We evaluate now to obtain;