exam Maths Puzzle Numerical Ability

Please help me Multiply and simplify completely this problem (2-3i)(7+5i)

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exam Other Question

how can you get 12.5% into day form to see how many hours in a day that it? 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 reprssenting the number of minutes a person could talk without exceeding $6.