exam
Maths Puzzle
Numerical Ability
Give the domain of the function f(x) = 1/sq rt x-1.
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exam Other Question
A triangle has the following sides: 12 feet, 20 feet, and 16 feet. Is this a right triangle? Explain your answer.
Solve the system by substitution.
x + 4y = -4
3x - 3y = -12
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