Juanita just solved this math problem: (35xy2)(6zy3). her ability to do so places her in which of piaget's stages of cognitive development?

Juanita’s ability to solve this math problem means that according to Piaget she entered the formal operational stage of cognitive development. At this point the children’s thinking becomes more advanced and they can think creatively, theoretically and imaginatively to solve problems.

what are the options?

world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.