<h3>Answer:</h3>

<h3>Explanation:</h3>
The
th term of an arithmetic sequence is explicitly defined as
where
is the first term of the sequence and
is the the common difference.
From the given first five terms of the sequence we can see that the first term is
so
.
The common difference,
, can be calculated by
so we'll find the common difference of the given sequence by letting 
.
Now let's plug everything we know.



Answer:
The section of a parabola that shows a falling curve with decrease in the y values of the graph is known as the decreasing interval of the quadratic function
Step-by-step explanation:
Minus 2 degrees every hour
there are 4 hours
d=degrees dropped
- 2 x 4 = d
the answers b. hope this helps!! :)