Simplify the rational expression.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Evaluate the expression.
?
?
A. 
B. 
C. 
D. 
E. -10
Mathematics
Solve the problem.Four married couples have reserved eight seats in a row at the theater, starting at an aisle seat. In how many ways can they arrange themselves if no couple is to be separated?
A. 40,320 B. 384 C. 24 D. 192
Mathematics
Find fractional notation for the ratio. You need not simplify.In this rectangle, find the ratios of length to width and of width to length.
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Mathematics
Solve the equation.x + 10 + 2x = -20 - 2x - 25
A. 11 B. -11 C. 7 D. -7
Mathematics