The 1st row has 15 chairs.
The 2nd row has 15 + 3 = 18 chairs.
The 3rd row has 18 + 3 = 15 + 2•3 = 21 chairs.
The 4th row has 21 + 3 = 15 + 3•3 = 24 chairs.
The pattern continues, so that the n-th row has 15 + (n - 1)•3 = 3n + 12 chairs.
If there are 15 rows, then the total number of chairs is
where we use the formulas
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In spinal motion restriction of the adult, to maintain the client's nose and umbilicus aligned at all times demonstrates the correct stabilization technique.
<h3>What is spinal motion restriction?</h3>
Spinal motion restriction is a strategy used to maintain spine alignment during spinal injury.
This technique is fundamental to avoiding severe spinal injury after accidents or traumatic situations.
In conclusion, in spinal motion restriction of the adult, to maintain the client's nose and umbilicus aligned at all times demonstrates the correct stabilization technique.
Learn more about spinal motion here:
brainly.com/question/20215668
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