ok, so, it's 12 ft by 17 ft but, because we want to leave a one foot space around the room, we should subtract 1 from each of the mesurments and then multiply those numbers
11 x 16 = 176
Since 200 is a constant, of x, move 200 out of the integral. 200x+c. Constant is a fixed value that does not change.
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Using arithmetic sequence concepts, it is found that the common difference is of 0.25.
<h3>What is an arithmetic sequence?</h3>
In an arithmetic sequence, the difference between consecutive terms is always the same, called common difference d.
The nth term of an arithmetic sequence is given by:

In which
is the first term.
In this problem, we have that:

Hence:

9 = 8 + 4d
4d = 1.
d = 0.25.
The common difference is of 0.25.
More can be learned about arithmetic sequence concepts at brainly.com/question/6561461