exam Maths Puzzle Numerical Ability

NBC asked a sample of VCR owners to record “Late Night with David Letterman” on their VCRs.
Of the 125 VCR owners surveyed, 83 either “gave up or screwed up” because they did not

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WHAT is the answer? square root of 32 times the square root of 144. Solve...
1. 9x^2=14

2. x^2+8=17