exam Maths Puzzle Numerical Ability

Write an absolute-value equation that has 9 and 21 as its solution.

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exam Other Question

Celsius temperature readings can be converted to fahrenheit readings using the formula F = 9/5C+32. What is the fahrenheit temperature that corresponds to each of the following celsius temperatures: -10,0,15,100? Given f(x) = 5x^ - 3x + 1, how would I find f(-2)?