Perform the indicated operation and simplify.
- 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Multiply. Assume all variables represent nonnegative real numbers.
(
- 
)
A. x - 2x3 
B. x - 2x 
C. x - 6x
D. x - 8x 
Mathematics
Use the LCD to simplify and solve.
x + 
= 
x
A. {12} B. {8} C. {-8} D. {-12}
Mathematics
Sketch the graph of the parabola.y = 4x2 - 2x - 8
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A forest ranger at Lookout A sights a fire directly north of her position. Another ranger at Lookout B, exactly 2 kilometers directly west of A, sights the same fire at a bearing of N41.2°E. How far is the fire from Lookout A? Round your answer to the nearest 0.01 km.
A. 2.25 km B. 2.28 km C. 2.18 km D. 2.32 km
Mathematics