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Let a, b, c, and d be real numbers with a, c 6= 0. prove that the lines y = ax+b and y = cx + d have the same x-intercept if and only if ad = bc
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Azul has 4 green picks and no orange picks.you add orange picks so that there are 2 orange picks for every 1 green pick.how many picks are there now.
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Let a, b, c, and d be real numbers with a, c 6= 0. prove that the lines y = ax+b and y = cx + d have...
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