What is the equation of a parabola whose vertex is at the origin and whose directrix is y= 3? O A. y = 12x OB. y = -12% O c. x=-12y OD. x = 12y​

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

Match the one-to-one functions with the graphs of their inverse functions.

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.