Can someone help me with this.?

Write an essay on online collaboration, how to do it, the challenges, resolving the challenges, and consider whether the risks are greater than rewards. ( need )

Helen is having a meeting with her colleagues in her company. they are working on the goals and objectives for the coming year. they want to ensure that these goals and objectives of the processes involved are properly evaluated. which system can helen and her colleagues apply to evaluate this? helen and her colleagues require a blank to evaluate the goals and objectives.

Which command suppresses the visibility of a particular row or column in a worksheet?