Answer:
7.9 or 79/10
Step-by-step explanation:
-12.166 / -1.54
12.166 / 1.54
7.9
Notice that if you go forward, the common ratio is 5. Each new term is found by mult. the previous term by 5.
If, on the other hand, you go backwards (terms decreasing), then you divide a term to find what the previous term was.
Here, divide 1 by 5 to find the first term. It's 1/5.
It is the fourth one because n could be any number on that red line because it’s is greater than -3
The second one if im not wrong
There are 2 methods you are taught in Middle School.
Elimination and Substitution.