Cuando yo tenía 20 años mi hermana tenía la mitad, yo tengo ahora 40 años. ¿Cuántos años tiene mi hermana?

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

Miranda is braiding her hair.then she will attach beads to the braid.she wants 1_3 of the beads to be red.if the greatest number of beads that will fit on the braid is 12,what other fractions could represent the part of the beads that are red?

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.