exam Maths Puzzle Numerical Ability Permutation and Combination

There ia a question paper consisting of 10 questions. Each question has interval choice of 2 questions. in how many ways can a student attempt one or more question of the given ten question of the paper.

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Shims Shoes and Burglar Street Gear are in a competition for a good grade from the Bureau of Labor Statistics. Last year, Shims recieved a 75% grade from the Bureau for having only Can you please help me:
Divide using long division:
(12x²-35x+8)/(4x-1)