Divide and Simplify $$\frac { 45 } { y - x } \div \frac { 9 } { x - y }$$

question 173

Multiple Choice

Divide and simplify.
- $$\frac { 45 } { y - x } \div \frac { 9 } { x - y }$$

• A) \(\frac { 5 ( x - y ) } { y - x }\)
• B) \(- 45\)
• C) 5
• D) \(- 5\)

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