exam Maths Puzzle Numerical Ability

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Page 526
Number 20

I have to simplify and assume that all variables represent positive numbers...

square root w^14

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exam Other Question

The linear equation x=-13 graphs as a horizontal/vertical/diagonal line choose the correct label. How did you come up with this conclusion. write 55 over 8 as a mixed numeral

55/8 = 6 7/8(as a mixed fraction