Answer:

Step-by-step explanation:
The nth term of a geometric sequence is given by the following equation.

In which r is the common ratio.
This can be expanded for the nth term in the following way:

In which
is the first term.
This means that for example:

So




Then

Answer:
720
Step-by-step explanation:
360/6= 60 (outside angles)
180-60=120 (inside angles)
120x6=720 (sum of inside angles)
Just plug in the numbers for the variables.
20+3(8)+17(2)=
Answer:
Step-by-step explanation:
x is at (0, 4)