book Maths Puzzle Numerical Ability

What is the two-digit number whose cube root is the spuare root of the sum of its digits?

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book Other Question

Solve each system by graphing
y = -2/3x
2x + 3y = 5

Solve each system by the substitution method. Determine whether the equations are independent, dependent, or inconsistent Could you please help me with the following question? A circle has a circumfreance of 2.25 what is the radius?