Find the center and graph the hyperbola.
- 
= 1
A. C(- 1, 1)
B. C(1, - 1)
C. C(0, 0)
D. C(1, 1)
Answer: D
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Find the LCM for the given numbers by an appropriate method.30, 80, and 70
A. 560 B. 1680 C. 840 D. 240
Add and simplify. Write the answer as a mixed number as needed.4
+ 2
A. 6
B. 7
C. 6
D. 6
Use the formula for the nth term of a geometric sequence to find the indicated term of the sequence with the given first term, a, and common ratio, r.Find a6 when a = 9600, r = - 
.
A. -150 B. 300 C. -300 D. -30
Each of six decorators has to paint a room (walls only) and put a wallpaper border around the room at the ceiling. One gallon of paint covers 400 sq ft, and one roll of border contains five yards. Each decorator has one gallon of paint and three rolls of border.The list gives the name of each decorator and the size of the room. 
Give the names of the decorators who will have enough paint, but will not have enough border for their rooms. (Assume a ceiling height of 8' for each room.)
A. {Yong Sun, Ajay} B. {Juanita, Pedro} C. {Mary, John} D. None