Simplify the expression by using distribution: $7 y x(-9 y-3)$

Question

Anonymous · Answer

Well, the speed is 45mph (divided 270 by 6). It would take her 9 hours (divided 405 by 45).

jajojajo · Answer

9 hours ;

Anonymous · Answer

Christy drove at a speed of 45 miles per hour. It will take her 9 hours to drive 405 miles at that same speed. Therefore, she would need 9 hours for the longer trip. 
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Simplify the expression by using distribution: $7 y x(-9 y-3)$

Answer (3)

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