Classify the equation as a conditional equation, an identity, or a contradiction. Find the solution set.-20s + 47 + 5(4s - 9) = 0
A. Conditional; {1}
B. Contradiction; ?
C. Conditional; {4}
D. Identity; {all real numbers}
Answer: B
Mathematics
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A. r = 
B. r = ± 
C. r = 
D. r = 
Mathematics
Find the product.(-7x2)(9x3)
A. 63x6 B. -63x5 C. 63x5 D. -63x6
Mathematics
Solve the problem.The following is a real estate commission on the selling price of a house. 6% for the first $100,000, and 3% for the amount which exceeds $100,000A realtor receives $11,370 for selling a house. What was the selling price?
A. $5370 B. $379,000 C. $279,000 D. $179,000
Mathematics
Use the partial sum formula to find the partial sum of the given arithmetic sequence.Find the sum of the odd integers between 22 and 52.
A. 592 B. 555 C. 629 D. 518
Mathematics