Ubica los 10 países más amenazados por el calentamiento global en un mapamundi a escala y dibuje vectores posición desde el Ecuador hasta los diferentes países; luego, exponlo en tu "Museo en casa".

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.