A. Kathy used the ordered pairs (15, 8) and (21, 12) for her trend line. Write an equation for Kathy's trend line.
b. Kathy used her equation to predict the value of y when x is 27. What
value did she get? show all work

What signals you that factoring by grouping is the best method to use when factoring a problem?

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62