exam Maths Puzzle Numerical Ability

Will someone please help me solve this problem? simplify:x^2-14x+49/6x^2-37x-35

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exam Other Question

When Jim cleaned out the pool, he found 20 nickels and quarters. The collection of nickels and quarters totaled $2.60. How many quarters did Jim find? could someone help me with this?

Which of the following functions is an even function?
1. f(x)=4x-2
2. f(x)=/6x+8/
3. f(x)=3-x^2
4. f(x)=x/x+1