Please someone explain how to do simultaneous equations??

Ms. sutton recorded the word counts and scores of the top ten essays in a timed writing contest. the table shows her data. how does the word count of an essay relate to its score in the contest? word count tends to decrease as the score decreases. word count tends to increase as the score decreases. word count tends to remain constant as the score decreases. word count has no apparent relationship to the score of the essay.

The heaviest 16% of all men in weight weigh more than how many pounds ?

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with