book Maths Puzzle Numerical Ability

SHOW THAT EACH NUMBER CAN BE WRITTEN AS THE RATIO OF TWO INTEGERS.

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book Other Question

Consider the relationship E X E, where E ={-2,3,4,5,9} List the ordered pairs
determined by {(x,y):> 4 and y < 4}
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MY QUESTION IS FOR A FRIEND OF MINES DAUGHTER. I AM NOT SURE I HAVE ALL OF THE INFO FOR THE PROBLEM, BUT THIS IS WHAT I HAVE : G+(20+12)=

THAT'S IT SO IF YOU COULD HELP US THAT