Acharity is evaluating the effectiveness of its annual walk promotional campaign, in increasing walk participants and donations. what is the appropriate tool for evaluating performance?

Result based management

Explanation:

Result based management is a management and planning strategy through which all elements  contribute either directly or indirectly to achieve the predefined goal of the organisation. All elements involving in any process ensured that their contribution to desired result should achieved at maximum level.

It is mode of monitoring and controlling the strategy used in attaining the company's goal.

they encountered severe weather for which they were poorly prepared.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.