Answer:I did this one and its 0.75
Step-by-step explanation:
ANSWER

EXPLANATION
The sum of the first
terms of a geometric sequence is given by;

Where
, is the number of terms and
is the first term.
When
, we have
, we get;





Answer:

Step-by-step explanation:

Answer:
144x^2−y^2−169 because ther are no like terms
Step-by-step explanation:
The answer is 12/0, which is undefined