Write an algebraic expression to represent the following verbal expression
the cube of the difference of a number and 43.
a. x cubed - 43 cubed
b. (x-43) cubed
c. (43-x) cubed
d. (x+43) cubed
i already know c is incorrect

The answer is B. They are saying to cube the difference therefore you have (x-43) cubed

Best answer that i found on yahoo ok   set :   x= length of 2nd piece in cm  x- 3= length of 1st piece in cm  x-4= length of 3rd piece in cm  then since you know they all came from the 20 cm ribbon you add them together and set them equal to 20x+ x-3 +x-4 = 20  3x - 7= 20  3x= 27  x= 9  the shortest piece is the third piece which is x- 4  x-4  9-4 = 5  the length of the smallest piece is 5 cm.  the other lengths are  9 cm  6 cm

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