Question part points submissions used let p be a point not on the line l that passes through the points q and r. the distance d from the point p to the line l is d = |a × b| |a| where a = qr and b = qp. use the above formula to find the distance from the point to the given line. (3, 1, −1); x = 1 + t, y = 2 − 2t, z = 3 − 3t

.) the observation by semmelweis that more mothers died of childbed fever when their doctors also worked in the morgue

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a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.