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What is the x and y intercept of the line -7x + 6y =15? CHEM HELP!!!!!! How many grams of Kr are in a 8.27 L cylinder at 27.0 °C and 8.67 atm? Prove sin2A*cos2A = sin2A-4sin^3A*cosA ? (x^4) + (ax^3) + (bx) + c divided by (x-1) and (x+1) and (x+2) the remainders are 14, 0, -16. Find values of a, b, c? Is there a name for the mega ocean that existed on the other side of the Pangea Earth?