Explain how to find tangent when you know sine and cosine

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.

Solve for x, y, and z. show all steps.

The sum of two numbers is 86, and their difference is 20. find the two numbers