Answer: 9x+16
Step-by-step explanation: in image below
The given sequence is a geometric sequence with a common ratio of 3.
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Which type of sequence do we have here?</h3>
A geometric sequence is a sequence where the quotient between any pair of consecutive terms is a constant, called the common ratio.
Here we have the sequence:
3, 9, 27, ...
The quotient between the first two terms is:
9/3 = 3
The quotient between the third and second terms is:
27/9 = 3.
So yes, we conclude that this is a geometric sequence, where the common ratio is 3.
If you want to learn more about geometric sequences:
brainly.com/question/1509142
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-78 = -6(p-4) how do u solve this -78= -6p+24
-78-24=-6p -102=-6p 17=p
To check plug in
-78 = -6(17-4) -78=-6(13) -78= -78 it check
Answer: D. 12h + 21h2
Step-by-step explanation: The answer is D,
because when you devide 12h/3h = 4
and for the other value 21h2/3h=7h
4 + 7h
if you perform the same operation with the rest of answers you will get a minor values if you compare with this results, because of that the answer with the greatest common factor is D.
Answer:
After 15 years, the area will be of 775.3 km²
Step-by-step explanation:
The equation for the area of the forest after t years has the following format.

In which A(0) is the initial area and r is the yearly decrease rate.
A certain forest covers an area of 2600 km2.
This means that 
Suppose that each year this area decreases by 7.75%.
This means that 
So


What will the area be like after 15 years?
This is 


After 15 years, the area will be of 775.3 km²