Answer:
3, 6, 9, 12, 15
adding 3 each time
or
3, 9, 27, 81, 243
multiplying by 3 each time
Step-by-step explanation:
Given that

and

, if

is an arithmetic sequence, then the common difference between successive terms is

.
You then have




So the explicit formula for the

th term is
Answer:
1/18
Step-by-step explanation:
Just go to calculator and write -9÷54-(-12÷54)
$7, I think. I would not be too sure about it, though.
Question
10 to the second power+6.7+8
Answer:
<h2>
114.7</h2>
Step-by-step explanation:
10² + 6.7 + 8 =
100 + 6.7 + 8 =
114.7