exam
Maths Puzzle
Numerical Ability
How many versions of a test are required to cover all possible question arrangements if there are nine open-ended questions on the test?
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exam Other Question
an airplane tooke 2 hours to fly 600 km against a head wind. The return trip with the wind took 1 2/3 hours. Find the speed of the plane in still air.
solution to problem y=3x+3
use a table of values to graph the equation