Perform the indicated operation and write the answer in lowest terms.- 
- 
A. 
B. 
C. 
D. 
Answer: D
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Write the following as a base-ten numeral.6 ? 103 + 8 ? 102 + 4
A. 1804 B. 6104 C. 6804 D. 6800
Write an algebraic equation and use it to solve the problem.The three most prominent buildings in a city, Washington Center, Lincoln Galleria, and Jefferson Square Tower, have a total height of 1800 feet. Find the height of each building if Jefferson Square Tower is twice as tall as Lincoln Galleria and Washington Center is 320 feet taller than Lincoln Galleria.
A. Washington Center: 690 feet Lincoln Galleria: 370 feet Jefferson Square Tower: 740 feet B. Washington Center: 530 feet Lincoln Galleria: 210 feet Jefferson Square Tower: 1060 feet C. Washington Center: 600 feet Lincoln Galleria: 300 feet Jefferson Square Tower: 900 feet D. Washington Center: 420 feet Lincoln Galleria: 210 feet Jefferson Square Tower: 1170 feet
Solve the problem.A satellite dish is shaped like a parabola. The signals that are received by the dish strike the surface of the dish and are reflected to a single point, where the receiver of the dish is located. If the dish is 12 feet across at its opening and 3 feet deep at its center, at what position should the receiver be placed?
A. 3 feet from the base along the axis of symmetry B. 0.4 feet from the base along the axis of symmetry C. 9 feet from the base along the axis of symmetry D. 12 feet from the base along the axis of symmetry
Decide whether the statement is true or false. If it is false, tell why.The equation (x - 7)2 - 44 = 0 has two irrational solutions.
A. True B. False; the equation has two rational solutions. C. False; the equation has exactly one real number solution.