Which of the following shows the polynomial below written in descending order?
5x3 - X+9x? +4 + 3x11
O A. 4 + 3x11 + 9x + 5x3 - x
B. 3x11 + 9x? + 5x3 - X+4
O C. 9x + 5x +4+3x11 - x
23
O D. 4- X+ 3x11 + 9x?+ 5x3

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1/800 is the right answer

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step-by-step explanation:

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(2x + 16) + (x) = 180

step-by-step explanation:

given,

abcd is a quadrilateral inscribed in a circle

angle a is labeled x plus 16, (x + 16)

angle b is labeled x degrees, (x)

angle c is labeled 6x minus 4, (6x – 4)

angle d is labeled 2x plus 16, (2x + 16)

what equation can be used to solve for angle b?

we know that the sum of the opposite angles of a simple quadrilateral inscribed in a circle is 180 degrees.

angle b is opposite angle d

therefore, angle b + angle d = 180

(x) + (2x + 16) = 180 

same as (2x + 16) + (x) = 180