Add or subtract.
+ 
A. 
B. 
C. 
D. - 
Answer: D
Mathematics
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Find the LCD of the given rational expressions.
; 
A. 2(x + 4)(x - 4) B. -2(x + 4)(x + 4) C. -2(x + 4)(x - 4) D. -(x + 4)(x - 4)
Mathematics
Calculate the perimeter for the given figure. Use 3.14 for ?. Round to hundredths if necessary.Rectangle topped by a semicircle
A. 52.57 ft B. 89.55 ft C. 98.10 ft D. 74.55 ft
Mathematics
Determine the constant that should be added to the binomial so that it becomes a perfect square trinomial. Then write and factor the trinomial.x2 - 
x
A. 
; x2 - 
x + 
= 
2
B. 
; x2 - 
x + 
= 
2
C. 
; x2 - 
x + 
= 
2
D. 
; x2 - 
x + 
= 
2
Mathematics
Find the exact value of the expression.sin 225°
A. 
B. - 
C. 
D. 
Mathematics