Express the statement as an algebraic expression.Alexander is t years old. Write an expression that represents Zachary's age if he is 4 times as old as Alexander.
A. 
B. 4t + t
C. 4t
D. 4 + t
Answer: C
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Simplify. Unless otherwise specified, assume that variables can represent any number.
A. 
B. 3 - x
C. x - 3
D. 
- 3
Rewrite the expressions with rational exponents as radical expressions, and then solve the equation.(10 + x)1/2 + (11 - 5x)1/2 = -1
A. {0}
B. ?
C. 
D. {1}
Live Easy, Inc., specializes in dietary supplements that address the specific needs of women over the age of sixty, such as bone loss and joint pain. The premium-priced supplements are sold by mail and advertised in upscale magazines such as Town and Country, Art and Antiques, and Architectural Digest. Live Easy has a/an ____ business-level strategy.
A. focused differentiation. B. cost leadership. C. integrated cost leadership/differentiation. D. value-creating
Provide an appropriate response.What must be true of a real number a if 
and - 
represent the same number?
A. a can be any real number B. a must be positive C. a must be equal to zero D. a must be negative