OPIN-UP GRADE 8 MATHI zoom Triangle ABC is a scaled copy of triangle DEF . Side AB measures 12 cm and is the longest side of ABC. Side DE measures 8 cm and is the longest side of DEF. a Triangle ABC is a scaled copy of triangle DEF with what scale factor? 7 b. Triangle DEF is a scaled copy of triangle ABC with what scale factor? 8

Two groups of students were asked how many hours they spent reading each day. the table below shows the numbers for each group: group a 1 2 1 1 3 3 2 2 3 group b 3 2 3 2 2 2 1 1 2 based on the table, which of the following is true? the interquartile range for group a students is 0.5 less than the interquartile range for group b students. the interquartile range for group a students is equal to the interquartile range for group b students. the interquartile range for group a employees is 0.5 more than to the interquartile range for group b students. the interquartile range for group a employees is 1 more than the interquartile range for group b students.