If three people are considering registering for a math class, sections: A, B and C: a) How many ways can they register for their math class?
b) How many ways can they register for the same section?
c) How many ways can they register for different sections?

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1