exam
Maths Puzzle
Numerical Ability
What is the ratio of the area of an equilateral triangle to that of a regular hexagon inscribed in the same circle?
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exam Other Question
Decide whether the values of the variables listed are solutions of the system of equations.
3x + 3y + 2z = 4
x - y - z = 0
2y - 3z = -8
x= 1, y= -1, z= 2
Find (a) the domain of each function and (b) its zeros, if any.