Do not leave negative exponents in your answers.Simplify. 9x2 - 8 + 2x2 + x2 - 9
A. 12x2 - 17
B. 10x2 - 17
C. 11x2 + 17
D. 11x2 - 17
Answer: A
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Which of the following companies DOES NOT appear in the top twenty of the Fortune list of the Most Admired Companies between 2006-2008?
A. FedEx B. Google C. General Motors D. Wal-Mart
Find an equation for the ellipse described.Center at (0, 0); focus at (-3, 0); vertex at (6, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Solve the problem.Janet drove 312 km, and the trip took 4 hr. At what average rate was Janet traveling?
A. 78 km/hr
B. 79 km/hr
C. 1248 km/hr
D. 
km/hr
Solve the problem.A window washer accidentally drops a bucket from the top of a 256-foot building. The height h of the bucket after t seconds is given by 
When will the bucket hit the ground?
A. 4 sec B. 16 sec C. 64 sec D. -4 sec