exam Maths Puzzle Numerical Ability

Please i need help on this question:


The cost of 63 inches of ribbon at 12 cents per yard is...

A. $.20 B. $.21 C. $.22 D. $.23

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exam Other Question

Rise and Run. If the rise is3/2 and the run is 5, then what is the ratio of the rise to the run. Hello I need your help....I have to multiply this equation...Can you help me?

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Number 20

6x^2(-9x^3)