exam Maths Puzzle Numerical Ability

4. Use the indicated property to write an expression that is equivalent to the following expression.
6 � 20 + 6 � 4 (distributive property)

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To whom may it concern,

I have encountered problem to do this question.

The angle of elevation of the top of a post from a point on level ground 38 m away its 33.23�. Find the height of the post.

Please help. Thanks a lot.

CH Lam

A bus leaves a station at 1 PM,traveling west at an average rate of 44mi/hour. One hour later a second bus leaves the station, traveling east at a rate of 48 mi/h. At what time will the two buses be 274 miles apart?