What is the amplitude of the graph of y = 4 sin (2x – 1) + 3? O A. 1
OB. 4
O c. 2
O D. 3
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Which expression is not a polynomial?

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

Bring the fraction a/a-4 to a denominator of 16-a^2