130 135 1
. The running time, in minutes, of 20 movies, each with a
different running time, is shown to the right.
20 A
a) What is the interquartile range?
b) What percent of the movies are at least 130 minutes
c) What percent of the movies are between 100 and 140 minutes?
d) How many movies are less than 110 minutes
e) How many movies are between 100 and 110 minutes
95 100 105 110 115 1
Running Time
minutes)

More challenges: 1) factor out the indicated quantity.8mn² + 7mn - m : factor out the quantity -m2) factor the polynomial by grouping.2vw + 7cv + 14cw + 49c²3) factor completely using the difference of squares along with factoring by grouping.25v³ - 25v² - 4v + 44) factor the sum of cubes. 125x³ + 645) q³ + 27r³6) factor completely. use difference of squares.729p^6 - 6^67) solve the equation(7x + 4)(9x - 1) = 08) a. find the values of x for which f (x) = 0b. find f (0)f (x) = x² + 2x - 489) find the x and y-intercepts for the function defined by y = f (x)f (x) = (x + 3)(x + 4)(x - 1)²10) factor the trinomial completely by using any method. remember to look for a common factor first. 3v² - 2v - 16