An open box is to be made from a square piece of cardboard, 22 inches on a side, by cutting equal squares with sides of length x from the corners and turning up the sides (see figure below). If the volume of the box is represented by 
, determine the domain of 
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A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Multiply and simplify. Assume variables do not cause any denominators to equal 0.
? - 
A. 
B. - 
C. - 
D. - 
Mathematics
Let 
. Find the function.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.A = 22°B = 26°a = 31.7
A. C = 133°, b = 62.9, c = 37.1 B. C = 132°, b = 62.9, c = 37.1 C. C = 132°, b = 37.1, c = 62.9 D. C = 133°, b = 37.1, c = 62.9
Mathematics
Expand the expression using the Binomial Theorem.(3x - 2y)3
A. 9x3y - 6x2y2 + 4xy3 B. 27x3 - 54x2y + 36xy2 - 8y3 C. 9x3y - 12x2y2 + 4xy3 D. 27x3 - 18x2y + 12xy2 - 8y3
Mathematics