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Hi, my question is simple. What is the answer to this: 0.250/0.25+7.5*3.2=? I ask this because apparently I forgot how PEMDAS work. Thanks.? Can there be a rainbow in space? An irretional no.between 5 and 6? What is the geometric relation between the vectors v and w if v·w = −lvllwl? How do I change (tanθ+cotθ)^2 to sec^2θ+csc^2θ?