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Evaluate two ways: (a) solve the inside of the parentheses first using the correct order of operations, and (b) distribute the 5 into the parentheses and then solve for the final result. What are the numerical final results for parts (a), and (b)?
Which of the multiple choice statements listed below correctly expresses the distributive property for addition?
A student expands -2(4x - 7) and gets -8x + 14. Another student claims the correct expansion is -8x - 14. Evaluate both claims and decide which student, if any, is correct. Provide reasoning.
Which expression is the correct factorization (reverse of distribution) of 12x + 6y - 21z?
A baker packs 8 muffins and 5 cookies in each box. A customer orders 12 identical boxes and also buys 7 extra cookies. Write an expression for the total number of items.