For the image of the overhead projector to be in focus.

What dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean

Which is these sentences can be deleted from the first paragraph sentence 4 sentence 2 sentence 5 sentence 3

Zachary has been trying to work on an essay for almost three hours, be he can't seem to focus for more than 15 or 20 minutes at a time. what should he do so that the quality of his work doesnt suffer because of poor concentration and lack of energy