What is the equation for the line perpendicular to the line represented by the equation Y=1/3X-2 that passes through the point (4.-7)?
A y=-3x - 2
B. y=-3x - 5
C. y = 3x + 2
D. y=-3x + 5

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25

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.