Simplify the radical expression. Assume that all variables represent positive real numbers.
? 
A. x
B. x
C. 
D. 
Answer: B
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Perform the operation indicated.(-8n3 + 2n2 + 6) - (-12n3 - 8n2 - 2n)
A. -20n3 - 6n2 - 2n + 6 B. -33n3 + 6n2 + 2n - 6 C. 4n3 + 10n2 + 2n + 6 D. -34n3 - 10n2 - 2n - 6
Provide an appropriate response.When using the change-of-base formula for loga x, is there any distinct advantage in converting it to 
rather than 
?
What will be an ideal response?
Write a third-degree equation having the given numbers as solutions.-5, 5, 1
A. x3 - x2 - 26x = 0 B. x3 - x2 - 25x + 25 = 0 C. x3 - 26x + 25 = 0 D. x3 + x2 + 25x + 25 = 0
When a stone is dropped into a deep well, the number of seconds until the sound of a splash is heard is given by the formula  figure 1.png)
, where x is the depth of the well in feet. For one particular well, the splash is heard 10 seconds after the stone is released. How deep (to the nearest foot) is the well?
A) 700 ft B) 900 ft C) 1,167 ft D) 2,000 ft