Answer:
r = - 
Step-by-step explanation:
The common ratio r of a geometric sequence is
r =
=
= .....
Hence
r =
=
= - 
I do not understand but if you deposit 85 dollars in a bank account it will most likely be positive unless you owe the bank money.
Hope I helped
Brainliest if satisfied
Answer:
In triangle AB, A and B are acute angles so. AC and BC are right angles.
Sin A = 10/13
13 is the hypotenuse side and 10 is the opposite side.
To find cos A.
From pythagorean theorem:
Step-by-step explanation:
<span>B. Square the number of the term, n</span>
Answer:0.625 or 5/8
Step-by-step explanation: