PLEASE HELP ME WITH SENTENCES

im taking an online writing class and dont have my textbook yet, but anyway i need to edit these ten sentences based on these writing terms:
Conciseness, Expletives, Voice (active and passive), Affectation,Intensifiers, Nominalizations, Style, Subordination, Emphasis, Parallel structure, Sentence variety, Common errors, Commas,Comma splice, Subject/verb and pronoun/antecedent agreement, Dangling modifier, Faulty Parallelism, Compound words, Hyphens used with modifiers.

To be honest I dont have time to look this shit up and we were never given a headsup on the text book and i now live 2000 miles away from the school library, but here are the sentences.

1. The blizzard hit at 7:30 a.m. It had rained for two hours before. Many commuters slid on black ice. Hospital emergency rooms were overcrowded. Businesses opened late.

2. My experience allows me to be skilled in analysis of technical data, managing time, sales quotas, and the design of new systems.

3. The customers were quite disappointed to discover the very unsatisfactory fact that the material completely disintegrated no later than subsequent to the third time the product was washed.

4. Due to the fact that more than half of the semester is, at this point in time, behind those of us who are engaged as students, it is our view that the remaining time would be utilized for the most beneficial outcome by being allowed to conduct the planning necessary to determine the timeline identified to be most readily applicable to the efficient implementation of our projects.

5. There are many graduating seniors who are expected to attend the job fair. The fair will be held in the ballroom on Friday as well as offer workshops devoted to the subject of job searching.

6. New designs were created by Anna Clark. They hit the market six months ago. It was reported that the revenue for the company doubled during that time.

7. There were many lives lost among the passengers because the food trays were not checked for contamination.

8. The sales manager will perform an extremely thorough analysis of the present status of sales in all branch stores in order to determine the recipient of the award.

9. Academic standards were not met by three hundred of the students. This represents 80% of the student body. The deficiency was not revealed to the public until two years later.

10. It is perfectly clear that each and every manager will conduct a review of basic and fundamental procedures. Safety will be considered first and foremost.