Janice needs to purchase a new uniform for a job she just accepted. the store indicates that she may have a 30% discount, but that she will need to pay the 8% sales tax on the uniform. if the uniform lists at retail cost of (c), which of the following choices would janice use to correctly calculate her total cost (t) of the uniform?

a. (t) = (c) – 0.3c + 0.08c
b. (t) = 0.7c + 0.08(0.7c)
c. (t) = 0.7 (0.3c + 0.08c)
d. (t) = 0.7 (c – 0.08c)

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.