The function 
describes the balance in an investment fund, 
, after 
months of withdrawing $330. Find any real zeros.
A. 23 months
B. 22 months
C. 21 months
D. 20 months
E. none of these
Answer: C
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Evaluate or simplify the given expression.cos-1 
A. 
B. - 
C. 
D. 
Provide an appropriate response.Using the given frequency distribution table, how many students made B's (80 to 89)?Frequency Distribution of 25 Test Scores
Class IntervalMidpointTallyClass Frequency45 - 4947/150 - 5452/155 - 5957//260 - 6462/165 - 6967/170 - 7472//275 - 7977///380 - 8482///385 - 8987///390 - 9492
?595 - 9997///3
A. 3 B. 12 C. 6 D. 15
Find the exact value of the expression.cos (-1050°)
A. 
B. 
C. - 
D. - 
Answer the question about traveling salesman problems.Which of these is not an element common to all traveling salesman problems?
A. a set of costs B. a set of goods C. a traveler D. a set of sites E. All of these are elements common to traveling salesman problems.