Http://americanhistory.si.edu/collections/search/object/nmah_995750
        
             
        
        
        
The answer is : variables
When viewing data entered into a spreadsheet, the columns identify Variable. The variables later can be used on a formula to help you process any sort of data that is implemented within excels' formula system
        
             
        
        
        
Answer:
Joe should read the explanatory text and complete the learning activities.
Explanation:
Given
See attachment for options
Required
Best strategy to get through the module
First off, rushing through the activities and taking guess for each question (as suggested by (a)) will not help him;
He may complete the activities but sure, he won't learn from the module.
Also, reading through the units without completing the activities is not an appropriate method because Joe will not be able to test his knowledge at the end of the module.
The best strategy to employ is to read through the units and complete the activities, afterwards (option (b)).
 
        
             
        
        
        
Answer:
We can help eachother out with things.
Explanation:
 Eg. Schoolwork and homework because our stress level will decrease.