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Choose a model across arithmetic, algebra, geometry and data, then verify the requested result against all conditions.
Paper packet. Every task here also exists on screen, where it is checked automatically; answers written on paper are not assessed by Nydus. When you are back at a device, enter your answers there.
Choose a model across arithmetic, algebra, geometry and data, then verify the requested result against all conditions. Attempt these four new problems without notes after a study gap. Explain the decisive restriction before opening feedback.
How many codes are possible?
A code contains three distinct letters chosen from A, B, C, D and E. The letter A must appear, and order matters.
What is its mean minus its median?
A data set contains 2 once, 5 three times, and 9 twice.
What was the original price?
A price is discounted by 30%, then the discounted price is increased by 20%. The final price is 126 credits.
What is the circle's area?
A square has diagonal length 10. A circle is inscribed in the square.
Classify errors as interpretation, method or execution. Revisit the preceding worked examples, then try a different problem before returning to these questions.