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A house has increased in value by 37% since it was purchased. If the original value was 720, 000 what is the value after the increase?A certain positive number, plus its square, minus 72, equals 0. Find the number.Jeanne is twice as old as Michel. The sum of their ages three years ago was 45 years. What are their ages nowThe 面積 of a rectangle is 50 square feet and the width is 5 feet. What is the length of the rectangle?16% of what number is 2