What does f(5)= 10 mean in words

Find the quotient. 50a2 – 98b2 -5a +7b

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?

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)