NEED HELP ASAP PLEAS Let |r| = 17 at an angle of 40° and |s| = 14 at an angle of 160°. Which expression represents |r + s|?

StartRoot 17 squared + 14 squared minus 2 (17) (14) cosine (40 degrees) EndRoot
StartRoot 17 squared + 14 squared minus 2 (17) (14) cosine (60 degrees) EndRoot
StartRoot 17 squared + 14 squared minus 2 (17) (14) cosine (10 degrees) EndRoot
StartRoot 17 squared + 14 squared minus 2 (17) (14) cosine (120 degrees) EndRoot

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this excerpt is taken from the book “we shall not be moved : the women’s factory strike of 1909 “ and is written by joan dash. it is the story of the great strike when almost 30thousand women working in factories in america formed a union to fight unsafe working conditions, long working hours and miserable wages.

question: which best states the author’s purpose for including this information in the text?

answer: to challenge the reader’s ideas about a historical event