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If you can please quickly explain, if you don't thanks for the answer anyways

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

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2