kyleefern12p0nqrj kyleefern12p0nqrj 06-03-2018 Mathematics contestada Matias stacked his cubes to make this rectangular prism. rectangular prism with grid lines How many cubes did Matias use? https://static.k12.com/calms_media/media/1451000_1451500/1451333/1/fa05fd502d1273bf0751cb02832848aa1b938634/Math_Purple_140218_131628.jpg