Write a negation of the statement. Some photographs are not displayed at this exhibition.
A. All photographs are not displayed at this exhibition.
B. No photographs are displayed at this exhibition.
C. Some photographs are displayed at this exhibition.
D. All photographs are displayed at this exhibition.
Answer: D
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Complete the exercises using counting techniques. How many different 4-letter radio-station call letters can be made if the first letter must be K or W, letters may be repeated, and the call letters cannot end in an O?
A. 35,152 B. 33,800 C. 16,900 D. 456,976
Graph the equation by plotting points.-5x - 30y = 30
A. 
B. 
C. 
D. 
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 6.8x - 150.7 B. y = 6.2x - 140.4 C. y = -6.2x + 140.4 D. y = -6.8x + 150.7
Evaluate the logarithm.ln e3
A. 3 B. 3 ln e C. e3 D. 1