What is the interquartile range (iqr) of the data set? 23, 27, 42, 45, 49, 53, 62, 71, 76, 80

Through: (-3,-3) parallel to y= 7/3x+3

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

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.