Answer:60
Step-by-step explanation: it needs to add up to 180
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:
Correct answer is B
Step-by-step explanation:
hope it helps ^^
Answer:
i agree
Step-by-step explanation:
Sqrt (y^4 * y)
Sqrt y*4 = y^2
y^2 sqrt y