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Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.