Evaluate the factorial expression.
A. 
B. 2!
C. 12
D. 
Answer: D
Mathematics
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Solve the problem.A plane flies 440 miles with the wind and 330 miles against the wind in the same length of time. If the speed of the wind is 22 mph, what is the speed of the plane in still air?
A. 179 mph B. 154 mph C. 159 mph D. 144 mph
Mathematics
Simplify the expression involving rational exponents.(-27)1/3
A. 3 B. -27 C. -3 D. Not a real number
Mathematics
Write a numerical expression for the phrase and simplify it.3 added to the sum of -6 and 10
A. 3 + 6 + 10; 19 B. 3 + 10 - 6; 13 C. -3 - 6 - 10; -19 D. 3 + [(-6) + 10]; 7
Mathematics
Find an equation for the ellipse described.Vertices at (-2, 5) and (14, 5); focus at (12, 5)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Mathematics