<span>In the U.S., three grades of fuel oil used for heating are generally recognized. The grades are No. 1, No. 2, and No. 4. No. 1 heating oil is more highly refined than No. 2, and is less viscous. For this reason, it is more suitable for outdoor storage in very cold climates.</span>
Answer:
2:31
Step-by-step explanation:
Answer: Option G
Step-by-step explanation:
The geometric series have the following form:
Where 
is the first term of the sequence and r is the common radius.
In this case we know that
So:
To find the sixth term 
, substitute 
in the equation.
The following isn’t a function non linear
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