Find the common difference or common ratio of the sequence -8.2,-8.4,-8.6,? A. r = -0.2
B. r = 0.2
C. d = -0.2
D. d = 0.2

What are the exclude value of mn+3m

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?