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Find the power series expantion of f(z)=log(4=3z) at the point z=-1

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on