Solve the problem. Be sure to make a diagram of the situation with all the given information labeled.
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A tree on one side of a river is due west of a rock on the other side of the river. From a stake 19 yards north of the rock, the bearing of the tree is S18.7°W. How far is it from the rock to the tree? Round to the nearest tenth of yards.
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A. 7.9 yd
B. 11.7 yd
C. 6.4 yd
D. 5.4 yd
E. 4.0 yd
Answer: C
Mathematics
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Graph the equation.y = 3x
A. 
B. 
C. 
D. 
Mathematics
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 0.75x + 4.07 B. y = 0.95x + 3.07 C. y = 0.85x + 3.07 D. y = 0.75x + 5.07
Mathematics
Find the optimal row or column strategy of the matrix game.Let M be the matrix game having payoff matrix 
.Find the optimal row strategy.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Sketch the region R whose area is given by the following double integral.
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A. ?
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B. ?
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C. ?
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D. ?
E. ?
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Mathematics