<span>4 people seated on a row may have 4! = 4x3x2x1 = 24 different ways to sit.</span>
Answer:

Step-by-step explanation:

{-84:(-4)=21 and -1764:(-84)=21 and -37044:(-1764)=21}
geometric sequence formula: 


(x+1) (x+3)
the zeroes of the function are negative 1 and negative 3
<span><span><span><span><span><span>x</span><span>=</span><span>2</span><span>(</span><span>y</span><span>+</span><span>3</span><span>)</span></span></span></span></span></span><span>x=<span><span>9</span><span><span>2(y−37)</span></span><span></span>
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