Drag the tiles to the correct boxes to complete the pairs.
Match each expression to its simplified form.
(6r+7)+(13+7r)
(13 – 2) - (1-r)
(-8-7)+(21-4)
(7. - 2) - ( + 6r)
210
13r+20
-12+1

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.