exam Maths Puzzle Numerical Ability

Will someone please help me put the equation 3-2i in polar form?
Thank you, Natalie

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exam Other Question

Hello,
can anyone help me factor these polynomals completely.
Much appreciated.

Todd

125 - 8x cubed ?

54t cubed + 16v cubed. I believe this one must ne prime
a portfolio is expected to return 5 percent in a normal economy,lose 10 percent in a boom economy,and return 20 percent in a recessionary economy.the probabilty of a recession is 3