You can sell things that you don't need anymore or you can be a barber or cashier
Spreaded is not a word ,for a sentence you wouldnt say:
I spreaded the rumor
but..
I had spread the rumor
Yes, I think that identifying the purpose would increase the credibility of the source, so if we understand the "should" here as "would be good if, is recommended" - then this statement is true.
Including the intent of the information in the source will help place the information in a wider context - and often the context is necessary to fully understand the content of a source.
Answer:
-3.5x-7.5
Explanation:
Hope this helps! If you need an explanation, let me know.