Write each rational expression as an equivalent expression with the LCD of the two expressions as the denominator.
and 
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Answer: D
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Find the foci of the hyperbola.x2 - y2 = 128
A. (16, 0), (-16, 0) B. (8, 0), (-8, 0) C. (0, 8), (0, -8) D. (0, 16), (0, -16)
Solve the linear equation algebraically.-8b + 8 + 6b = -3b + 13
A. 5 B. 13 C. -13 D. -8
By using a graphing utility select the correct graph of the polar equation. Identify the graph.
?
?
A. ?
Hyperbola
B. ?
Hyperbola
C. ?
Hyperbola
D. ?
Hyperbola
E. ?
Hyperbola
Solve the problem.A man rode a bicycle for 12 miles and then hiked an additional 8 miles. The total time for the trip was 5 hours. If his rate when he was riding a bicycle was 10 miles per hour faster than his rate walking, what was each rate?
A. Bike: 12 mph Hike: 2 mph B. Bike: 11.5 mph Hike: 1.5 mph C. Bike: 14.5 mph Hike: 4.5 mph D. Bike: 13 mph Hike: 3 mph