Add and simplify. 
+ 
A. 1
B. 
C. 
D. 
Answer: A
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?A polyhedron is regular if which of the following is true? ?
A. ?All of its faces are congruent polygons. B. ?n-vertices are formed with (n + 1) - faces. C. ?Often called an Archimedean Solid. D. ?All of its faces are congruent regular polygons and n-vertices are formed with n-faces. E. ?a and c are true.
Solve the problem.The owner of a video store has determined that the cost C, in dollars, of operating the store is approximately given by 
where x is the number of videos rented daily. Find the lowest cost to the nearest dollar.
A. $671 B. $468 C. $549 D. $590
Express the radical in simplest form, rationalize denominators, and perform the indicated operations.9
- 3x
A. 9
- 3x 
B. 6x
C. 6x
D. 12
Match the given equation with one of the graphs.(x + 3)2 = 8(y + 2)
A. 
B. 
C. 
D. 