exam Maths Puzzle Numerical Ability

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3x = 18 - x^2

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exam Other Question

The sum of two numbers is 72. One number is 3 morebthan the two times of the other number. Find the numbers. In regular hexagon RSTUVW with center X, ST =8 times the square root of 3.feet. Show all work to receive credit.
a. Find the area of triangle STX.
b. Find the area of hexagon RS