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What does the chemical makeup of the cells of an organism tell scientists about its evolutionary history? How would I do this problem? Three collinear points on the coordinate plane are A (x,y) B (x+4h,y+4k) and P (x+3h,y+3k) What is AP/BP? Estimate the sum of 3142,6328,and 4743? A stone is released from a balloon that is descending at a constant speed of 10 m/s. Neglecting air resistance, after 20 s the speed is ? Physics: How would I solver this type of time graph? I've been struggling to understand time graph.?