Write the Algebraic Expression Described. Simplify If Possible

question 314

Multiple Choice

Write the algebraic expression described. Simplify if possible.
-A 21-centimeter piece of rope is cut into two pieces. If one piece is z centimeters long, express the other length as an algebraic expression in z.

• A) (z - 21) cm
• B) (z + 21) cm
• C) (21 - z) cm
• D) (21 - 2z) cm

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