Answer:

Step-by-step explanation:
Arithmetic sequence:
In an arithmetic sequence, the difference between consecutive terms is always the same, and is called common difference.
The nth term is given by the following equation:

In which
is the first term and d is the common difference.
First term is 9 common difference is -2
This means that 
So, the nth term is given by:



Could I have the choices?
Answer:
A: 
Step-by-step explanation:
After graphing the equation, the highest point is (-1,-2). Since f(x) is the 2nd number in the coordinates (x, f(x)), the range is 
Step-by-step explanation:
3x - 2y = 12
Substituting y = 9, we find:

Similarly, solving for point B (4, __) =B (4, 0)
7/10. Because 0.7 equals 70% . As a fraction it would be 70/100. Simplify, and you get 7/10.