OpenStax, Elementary Algebra 2e §1.3 Add and Subtract Integers · Exercise 75 · Arithmetic · Integers
Add and Subtract Integers · Exercise 75
Stock Market The week of September 15, 2008 was one of the most volatile weeks ever for the US stock market. The closing numbers of the Dow Jones Industrial Average each day were:
What was the overall change for the week? Was it positive or negative?
OpenStax, Elementary Algebra 2e · §1.3 Add and Subtract Integers · Exercise 75
Stuck? A gentle nudge
No hints for this one.
Your working
Check your full solution
Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.
Your first check today doesn't need an account.
Your photos and PDFs are read once and not stored — only the transcription is kept.