Solve the problem.Water accounts for 60% of a man's weight. Stan weighs 170 lb. How much of his body weight is water?
A. 85 lb
B. 136 lb
C. 170 lb
D. 102 lb
Answer: D
Mathematics
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A. y = ± 
B. x = ± 
C. x = ± 
D. y = ± 
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Find the square root if it is a real number. If it is not a real number, state so.- 
A. 
B. - 
C. - 
D. not a real number
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Use the multiplication property of equality to solve the equation.
= -2
A. -10 B. 10 C. 7 D. -7
Mathematics
Classify the function as a polynomial function, rational function, or root function, and then find the domain. Write the domain in interval notation.f(x) = 
A. root function; (-?, 
]
B. root function; (-?, 13]
C. root function; (-?, 13) ? (13, ?)
D. root function; (-?, 
) ? (
, ?)
Mathematics