The slope of the line passing through the points (2,-1) and (x,5) is -1. Find x?
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In the following problem, '=' stands for '÷' , '+' stands for '' , 'x' stands for '=', '' stands for '+' and '÷' stands for 'x'. Find the correct equation.
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The number of permanent members of the U.N. Security Council is
An angle is smaller than its supplementary by 30°. What is the measure of the angle?
________ is not a storage device.
Who is the author of ‘The Windfall’?
Which of the following is a tertiary activity?