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:
Answer:
30%
Step-by-step explanation:
If the price went up to 65 from 50, that is an increase of 15. 15 is 30% of 50.
Answer:
infinite many
Step-by-step explanation:
B.90 because 90 degrees is above the original angel
$299 and $199 adds up to 498, including the tax rate 7.5% and your total is $535.35