Decide whether the equation is an identity, a conditional equation, or a contradiction. Give the solution set.-2(x + 7) + (-5x) = -7(x - 7) + 5
A. Contradiction; ?
B. Identity; {all real numbers}
C. Conditional; {0}
D. Conditional; {5}
Answer: A
Mathematics
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Evaluate.(-5)0- 50
A. -1 B. 0 C. 1 D. 5
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Express as a single logarithm, and, if possible, simplify.5 log4(3x - 5) + 4 log4(4x - 2)
A. log4((3x - 5)5 + (4x - 2)4)
B. log4((3x - 5)5(4x - 2)4)
C. 20 log4(3x - 5)(4x - 2)
D. log4 
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In a school survey, students showed these preferences for instructional materials. Answer the question.
How many degrees are in the central angle for the "radio" sector?
A. 5° B. 9° C. 180° D. 18°
Mathematics
Which of the following types of inventory has completed the production process and is ready for sale?
A. Just-in-time inventory B. Materials in transit C. Raw materials D. Work-in-process E. Finished goods
Mathematics