exam Maths Puzzle Numerical Ability

How many lines of symmetry does a parallelogram have

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exam Other Question

A long distance phone call costs $0.96 for the first minute and $0.72 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person could talk without exceeding $6. Find the LCD:

x^3 over x^2+8x+16 times 3x-10 over x^2+x-12