En un triángulo ABC, recto en B, se traza la bisectriz interior BE y luego AQ | BE . Si m<QAC = 20, calcular m<BCD a)20° b)30° c)45° d) 25° e)35°

If m 17 27 90 63 ** picture is attached

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price