Answer:
C 
Step-by-step explanation:
Consider the series

The nth term of series is 
The bottom index tells you that n starts changing from 3, so

Thus, the sum of all terms is

Answer:
i mean i think its B
Step-by-step explanation:
but if this is incorrect i apologize
Answer:c=127.3ft
Step-by-step explanation:Divide the square into two on the line between 1st and 3rd base, you now have two right triangles, pick one. The triangle has two legs and a hypotenuse, the length of the hypotenuse is the distance you need. The legs are 90ft long and you need to use the Pythagorean theorem. 90 squared plus 90 squared equals c squared, so 8100+8100=c^2, 16200=c^2, c=127.27922061
Answer:
$220
Step-by-step explanation:
As per the equation:
<u>For x = 6 we get:</u>
So Ari will have saved $220 after 6 months