Which of the following is false? A: If a set of real numbers is bounded above, then it must have a least upper bound [img=53x20]1802dde7ae54586.png[/img]. B: If a set of real numbers has a least upper bound [img=53x20]1802dde7ae54586.png[/img], then it must be bounded above. C: If a set of rational numbers is bounded above, then it must have a least upper bound [img=54x22]1802dde7bf41b49.png[/img]. D: If a set of rational numbers has a least upper bound [img=54x22]1802dde7bf41b49.png[/img], then it must be bounded above.

The Introduction part of a narrative essay needs to ______. A: create a powerful hook B: set the scene C: define the purpose of your writing D: make a brief conclusion

A sales budget is aprediction of sales under a given set of conditions.

To make the meeting productive, it is unnecessary to set the agenda.

The X-axis represents the scale, which is a set of numbers that represents the data and is organized into equal intervals.