Solve the problem, if possible. Round your answer to the nearest tenth, when appropriate.A book has pages that are 
by 
. The printed matter on a page of the book must cover 
. If all margins are to be the same width, how wide should the margins be?
A. 3 cm
B. 2 cm
C. 9 cm
D. 12 cm
Answer: A
Mathematics
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Evaluate the expression for the given value of x.
expression: 
value: x = -9
A. 
B. 
C. 0
D. not possible since numerator is 0
E. not possible since denominator is 0
Mathematics
Find the polar coordinates of the point(s) of intersection of the given curves for 0 ? ? < 2?.r = 7, r = 7 + sin ?
A. (0, 0), (7, 0), (7, ?) B. (0, 0), (0, 7), (?, 7) C. (0, 7), (?, 7) D. (7, 0), (7, ?)
Mathematics
Solve the equation.x(x - 3) = 10
A. 2, 5 B. 0, 3 C. 2, -5 D. -2, 5
Mathematics
Perform the indicated operations. Simplify when necessary.
A. 
B. - 
C. - 22
D. 
Mathematics