The graph shows the monthly revenue in millions of dollars of a growing company after the company doubled its advertising. Use the graph to solve the problem. 
During what period of time is the company's monthly revenue decreasing?
A. From the time that the advertising was doubled until the 6th month
B. From the 9th month to the 12th month
C. From the time that the advertising was doubled until the 9th month
D. From the 6th month to the 9th month
Answer: D
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Use the map to find the shortest route between the given locations.Fremont to Carson
A. 153 miles B. 76 miles C. 115 miles D. 97 miles
Simplify. Assume that all variables represent positive real numbers.
A. 4
B. -4a2b
C. 4ab
D. 4ab
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cot ? = -3, sec ? > 0Find cos 
.
A. 
B. - 
C. - 
D. 
Solve the problem.A person at the top of a 600 foot tall building drops a yellow ball. The height of the yellow ball is given by the equation src="https://sciemce.com/media/4/ppg__tttt0626191541__f1q115g4.jpg" alt="" style="vertical-align: -4.0px;" /> where h is measured in feet and t is the number of seconds since the yellow ball was dropped. Find the time that the balls are the same distance above the ground and find this distance.
A. 4.5 seconds; 276 feet
B. 4 seconds; 344 feet
C. 5 seconds; 200 feet
D. 5.5 seconds; 116 feet
where h is measured in feet and t is the number of seconds since the yellow ball was dropped. A second person, in the same building but on a lower floor that is 
from the ground, drops a white ball 
after the yellow ball was dropped. The height of the white ball is given by the equation