exam
Maths Puzzle
Numerical Ability
John can complete a paper route in 20 minutes. Steve can complete the same route in 30 minutes. How long will it take to complete the route if they worked together?
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exam Other Question
An ellipse is defined by the equation {{{ 25x^2+4y^2+50x-8y-71=0 }}} Write the standard equation, and identify the coordinates of the center, vertices, co-vertices, and foci.
please help me solve this equation: if 3x-1=11, what is the value of 2x+x?
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