Solve the problem.A certain army is engaged in guerrilla warfare. It has two ways of getting supplies to its troops: it can send a convoy up the river road or it can send a convoy overland through the jungle. On a given day, the guerrillas can watch only one of the two roads. If the convoy goes along the river and the guerrillas are there, the convoy will have to turn back and 6 army soldiers will be lost. If the convoy goes overland and encounters the guerrillas, 
of the supplies will get through, but 9 army soldiers will be lost. Each day a supply convoy travels one of the roads, and if the guerrillas are watching the other road, the convoy gets through with no losses. What is the
optimal strategy for the guerrillas if they want to inflict maximum losses on the army?
A. 
river, 
land
B. 
river, 
land
C. 0 river, 1 land
D. 
river, 
land
Answer: B
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Find all horizontal asymptotes of the given function, if any.g(x) = 
A. y = 6 B. y = 1 C. y = 0 D. no horizontal asymptotes
Determine the center, foci, and vertices of the ellipse.
+ 
= 1
A. center at (0, 0)
foci at (0, 6) and (5, 0)
vertices at (0, 36), (25, 0)
B. center at (0, 0)
foci at (0, -6) and (0, 6)
vertices at (0, -36), (0, 36)
C. center at (0, 0)
foci at (0, - 
) and (0, 
)
vertices at (0, -6), (0, 6)
D. center at (0, 0)
foci at (- 
, 0) and (
, 0)
vertices at (-6, 0), (6, 0)
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. An insurance company is willing to insure the concert for $150,000 against rain for a premium of $30,000. If he buys this policy, what are his expected earnings from the concert?
A. $180,000 B. $300,000 C. $270,000 D. $239,400
Solve the system by substitution.0.7x + 0.5y = -1.7 x - 0.8y = 0.6
A. {(-0.1, -0.2)} B. ? C. {(-2, -1)} D. {(-1, -2)}