Determine how many vertices and how many edges the graph has.
A. 4 vertices; 5 edges
B. 4 vertices; 3 edges
C. 5 vertices; 4 edges
D. 4 vertices; 4 edges
Answer: D
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Solve the problem.Find the optimum number of batches (to the nearest whole number) of an item that should be produced annually (in order to minimize cost) if 270,000 units are to be made, it costs $2 to store a unit for one year, and it costs $520 to set up the factory to produce each batch. Assume that units of this item will be sold off throughout the year, so the cost equation will use the average cost.
A. 18 batches B. 16 batches C. 25 batches D. 23 batches
Use the number line to determine whether the statement is true or false. 
-1 ? -1
A. True B. False
Express as a sum of logarithms.logr (7T)
A. logr 7 + logr T + logr r B. log 7 + log T C. logr 7 + logr T D. log7 r + logT r
Encode or decode the given message, as requested, numbering the letters of the alphabet 1 through 26 in their usual order.Use the coding matrix A = 
to encode the message CARE.
A. 
B. 
C. 
D. 