exam Maths Puzzle Numerical Ability

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Faculty at Two-Year Colleges

The equation y = 6x + 121 estimates the number of faculty members at two-year colleges, in thousands, wh

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Science and medicine. A plane flies 720 mi against a steady 30-mi/h headwind
and then returns to the same point with the wind. If the entire trip takes 10 h, what is the plane�s speed in still air? I am having some trouble with this problem, will someone please help!
Write the first 5 terms of 3^(2n)
Thank you so much, Tami