Answer:

Step-by-step explanation:
<u>Geometric Sequences</u>
The geometric sequence is given as:

Where n is the number of the term, n≥1, and r is the common ratio.
The sum of n terms of the geometric sequence is given by:

We are given: S3=252, a1=192, thus substuting:

Dividing by 12:

Recall that:

Substituting:

Simplifying:

Rearranging:

16r^2+16r-5=0
Rewriting:

Factoring:


Solving:

Both solutions are valid
Answer:
sorry im middle school we can still hang though
Step-by-step explanation:
Answer:
2. Side length =9
Step-by-step explanation:
A square has all sides equal. and it has 4 sides, so 36 divided by 4 =9.
3.x squared =6
answer is x=3
square root both sides.