Find the sum or difference, and write in lowest terms, if necessary.
- 
+ 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Evaluate. 
+ 
A. 61 B. -11 C. -23 D. -55
Mathematics
The manager of TeleStar Cable Service estimates that the total number of subscribers to the service in a certain city t years from now will be
?
?
Find the average number of cable television subscribers over the next 4 years if this prediction holds true.
?
A. 16,412 B. 15,836 C. 15,494 D. 15,037
Mathematics
Find the value of the expression using the given values.-3xy + 4y - 4x = -1, y = -1
A. -7 B. -5 C. -11 D. -3
Mathematics
Use the vectors u, v, and w in the accompanying figure to graph the vector. 
2u - z - w
A. 
B. 
C. 
D. 
Mathematics