Answer:
2
Step-by-step explanation:
If the common difference is d we can write:
-5 + 9d = 13
9d = 18
d = 2
Answer:
C is correct
Step-by-step explanation:
Comparing the to equation with slope intercept form: 
The second equation has the greatest slope, which is indicating that the line is steeper.
Your percentage of 97.6% as a decimal is 0.976
Answer:
We actually can't answer this because we need at least one angle in the triangle. However, the unknown length has a range. And the range is:
3<C<9. This is from the triangle inequality.