Mr. Hauseman has 17 students in his class, three of which are freshman and the others are sophomores and juniors. He is going to randomly draw two students to be partners. He calculates the probability of drawing a freshman and then a sophomore to be
3
34
. How many sophomores are in the class?

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

What are the steps to solving the inequality 3b + 8 ≥ 14?

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?