Mr. randall bought 4 shirts, which were on sale. the shirts were originally priced $20 the sales price of the shirts was $5 less than the original price write and find the value of an expression for the total amount that mr. randall paid for the shirts.

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?

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?