uma senhora levou 480 balas para repartir com 2 partes iguais, a primeira parte deu a 15 meninas e as restantes deu a 12 meninos. Quantas balas recebeu cada um ?​

Abcd is a parallelogram. the diagram is not drawn to scale. if m

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.

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"