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Explain how photosynthesis and cellular respiration are similar? I need the answer to this question? Calculate the concentration of barium in the solution at equilibrium when 15.0 mL of 0.200 M K2CrO4 is added to 25.0 mL of 0.100 M BaCl2.? How can I factor a^2-b^2+14x-49 ? Thanks it was on my test today and not sure how to fully factor it? What is the solution set of the equation 2x^3 - 5x^2 - 4x + 3 = 0?