QUESTION 1 of 10: It is estimated that 20 patrons will attend an event for every $100 spent in advertising. If tickets cost $40, how much cana promoter expect to increase sales if he spends $10,000 in advertising?
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a) $70,000
b) $80,000
c) $90.000
d) $100,000

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?