# math

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Which equation has the complex number 4-3i as a root?
(1) x^2+6x-25=0
(2) x^2-6x+25=0
(3) x^2+8x-25=0
(4) x^2-8x+25=0

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Martina is mounting shelves near her room's ceiling to hold her stuffed animal collection. She needs a bracket at the end of each shelve or where two shelves come together. If she mounts 8 shelves, side by side, how many brackets does she need?

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Are you answering me my question????

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