Give 2 examples of a variable.

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.

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?