Use identities to simplify the expression.sec4 ? - tan4 ?
A. sec2 ? + tan2 ?
B. (sec2 ? + tan2 ?)2
C. sec2 ? - tan2 ?
D. 1
Answer: A
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Use the preference table to answer the question.Diners at the Joie de Vivre restaurant answer a questionnaire about their favorite course in a French meal. The choices are: Appetizer (A), Entree (E), and Dessert (D). Their votes are summarized in the following table.
Which course is selected as the most favorite using the pairwise comparison method?
A. Tie between Entree and Dessert B. Tie between Appetizer and Entree C. Appetizer, Entree, and Dessert in a three-way tie D. Tie between Appetier and Dessert
Divide. Write the answer as a mixed number as needed.
÷ 
A. 
B. 
C. 
D. 
While inventory management and distribution are competitive advantages for Walmart's discount retailing business, they are of little value in their grocery business.
Answer the following statement true (T) or false (F)
Use the symbolic definition of absolute value to simplify the expression.
A. 3 B. 0 C. -3 D. None of the above