In two or more complete sentences describe how to determine the appropriate model for the set of data
(1,3), (3,4), (6,5), (11,6).

Use sigma notation to represent the following series for 9 terms.

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?

What is the solution for 6 - 7/8? explain the steps.