Find the exact value of the expression or state that it does not exist.cos 
A. - 
B. 
C. - 
D. 
Answer: B
Mathematics
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The weight of a certain type of fish is a power function of its length. The value of the power in this function is 
. If the length is doubled, how is the weight affected? Round your answer to two decimal places if necessary.
?
A. Weight is multiplied by 1.19. B. Weight is multiplied by 2.13. C. Weight is multiplied by 2.96. D. Weight is multiplied by 1.84.
Mathematics
Solve the system by the elimination method. x + 2y = -4 8x + 1y = 58
A. {(8, -6)} B. {(-8, -5)} C. {(7, -5)} D. ?
Mathematics
Graph the inequality.y ? x - 6
A. 
B. 
C. 
D. 
Mathematics
Rotate the coordinate axes through an acute angle ? such that the new equation in x' and y' has no x'y'-term.x2 + 2xy + y2 + 4
x - 4
y = 0
A. 
+ 
= 1
B. 4x' = y'2
C. y' = 
D. 
+ 
= 1
Mathematics