Answer:
(5,-0.5)
Step-by-step explanation:
You need to take the avarage of each number. That will get you to the midpoint.
Answer:
<h3>

is the closed linear form of the given sequence.</h3>
Step-by-step explanation:
Given that
and 
<h3>To find the closed linear form for this given sequence :</h3>
So each of the successive term of the given sequence is decreases by 8
Therefore the common difference is -8
The given sequence is a arithmetic sequence.
The general form is 
Substitute
and d=-8 in
we get



<h3>Therefore

is the closed linear form of the given sequence.</h3>
Answer:
3
Step-by-step explanation:
(6a+9)-7b
There are 3 terms
Answer:
82.5 km
Step-by-step explanation:
Given:

Cross-multiply.
2x = 11(15)
Divide both sides by 2 and solve for x.
x = 82.5 km
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