Use the given information to find the exact value of the trigonometric function.cos ? = 
, ? lies in quadrant IV
Find cos 
.
A. - 
B. 
C. - 
D. 
Answer: C
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In a certain city there is a river running through the middle of the city. There are three islands and nine bridges as shown in the figure below.
It is possible to take a walk through this town, starting on the South Bank, crossing each bridge once (and only once) and ending
A. on island B. B. on island C. C. back on the South Bank. D. on the North Bank. E. none of these
Find the perimeter of the figure.
A. 64 cm B. 128 cm C. 89 cm D. not enough information given
Use multiplication shortcuts to find the product.9041 ? 10
A. 904,100 B. 94,010 C. 94,100 D. 90,410
The graphing calculator screens show a system and the point of intersection. Choose the screen which best represents the given system.y = 2.5x + y = 5
A. 
B. 
C. 
D. 