Classify the equation as a conditional equation, an identity, or a contradiction. Find the solution set.2
- r = -4 + 3(2 + 3r)
A. Contradiction; ?
B. Conditional; {4}
C. Conditional; {-2}
D. Identity; {all real numbers}
Answer: D
Mathematics
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A. 
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C. 1 - Ce-x
D. 
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Provide an appropriate response.Is x10y7z7 a common factor of x11y8z8and -x10y7z7?
A. Yes B. No
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Write the fraction or mixed number as a decimal. Round to the nearest thousandth if necessary.
A. 9.15 B. 1.093 C. 0.915 D. 0.092
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Translate the phrase to an algebraic expression. Use x to represent "a number."Subtract a number from -15.
A. -15 + x B. x + (-15) C. -15 - x D. x - (-15)
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