Subtract and write the result in lowest terms.
- 
A. 
B. 
C. 
D. 
Answer: C
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Let p represent a true statement, while q and r represent false statements. Find the truth value of the compound statement.p ? (q ? p)
A. True B. False
Solve.The area code for a phone number in a city can be either 813 or 218. The rest of the 7-digit phone number can be formed with the digits 0 through 9. How many phone numbers can the city have before it needs to have another area code?
A. 20,000,000 B. 1,000,000 C. 18,000 D. 130,000
Solve the problem.Find two positive numbers whose sum is 128 and whose product is 24. Let x represent one of the numbers and y represent the other. Which one of the following nonlinear systems would lead to the solution?
A. 
B. 
C. 
D. 
Graph the function defined by a radical expression. Give the domain and range.y = -2 
A. Domain: [2, ?);
Range: [0, ?)
B. Domain: [-2, ?);
Range: [0, ?)
C. Domain: [-2, ?);
Range: (-?, 0]
D. Domain: [2, ?);
Range: (-?, 0]