What is the slope-intercept form of the line represented by the equation y = 2x + 3?
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What is the area of a rectangle with length 10 and width 5? How does it compare to the area of a parallelogram with base 12 and height 8? What is the circumference of a circle with radius 4?
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What is the standard deviation of a set of numbers: 10, 15, 20, 25?