exam Maths Puzzle Numerical Ability

the circumference of a circle is is 56.52 inches, to the nearest tenth of an inch, find the area of the circle,use pi=3.14

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exam Other Question

How would I find the distance to the nearest hundredth between the points (-6-5) and (-1,3)?
thanks much! One number is 2 times another. If the sum of their reciprocals is 1/5, find the two numbers. Define variables, set up equation and solve.