exam Maths Puzzle Numerical Ability

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1. 9x^2=14

2. x^2+8=17

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exam Other Question

11. The population of Bayside decreased from 16,000 to 15,120. What was the percent of decrease? I used the equation 880/15120= x/100 and got 5.82.

12. The sales tax on a comput the linear equation y=3x-5 graph as horizontal/vertical/diagonal line.