Answer:

Step-by-step explanation:
we are given
sequence is geometric
so, we can use nth term formula

we have


we have to find a9
so, we can plug n=9
we get



The answer is b -3.6 hope this helps and god bless my friend
Its kinda blurry and I can't read the whole question
Answer:
D
Step-by-step explanation:
the rest of them have 2 Y for 1 X
Answer:
12x the second -12x -16
Step-by-step explanation:
Solving systems of equations with 3 variables is very similar