a rhythmic tick
Whack a key.
4(n-5)=3n+10
the riddle is supposed to answer with these letteres WHA-CKA-KEY. It confused me at first but most of the problems are dividing.
In the Punchline Algebra book, page 13.2 likely contains a math problem or puzzle that needs to be solved. The question about why the piano didn't work is likely a joke or riddle included in the book to add humor and engage students. The answer to the math problem on page 13.2 would be related to the algebraic concepts being taught in that section, while the joke about the piano not working is a separate, unrelated element meant to lighten the mood.
a rhythmic tick
Helen Keller places the key in her mother's hand - not pocket - on page 107 of "The Story of My Life" by Helen Keller.
Whack a key.
4(n-5)=3n+10
The Algebra II answer key for Learning Odyssey is not available online. It appears you can obtain the answer key through the teachers edition.
107
the riddle is supposed to answer with these letteres WHA-CKA-KEY. It confused me at first but most of the problems are dividing.
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page
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In its key isotopes there are 107 or 108 neutrons.
Stewart B. Sabin has written: 'Elementary lessons in algebra' -- subject(s): Accessible book, Algebra 'Key to Elementary lessons in algebra' -- subject(s): Algebra, Lowry, Charles D.