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Maths Puzzle
Numerical Ability
write each expresssion in standard form and then classify it by degree and number of terms.
1.(-3x^2+5x)-(x^4-6+5x)
2.(x+2)(x^2-4x+1)
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The cost for a long-distance telephone call is $0.36 for the
first minute and $0.21 for each additional minute or portion thereof. Write an
inequality representing the number of minutes a person could talk without
exceeding $3.