18.Efectúa las siguientes multiplicaciones: a)(4x + 3y) (x + 2y)
b)(2xy + 3)
c)
d)(2x2y5) (3x2y3 – 5x7y + 2x –9y)
e)

El nino is a weather phenomenon caused when warm water from the western pacific ocean flows eastward. part1baan average of 7.7 hurricanes and 3.6 major hurricanes compares to 5 hurricanes and 1.5 major hurricanes from 1995-2005

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