Find the odds in favor of the indicated event.Spinning an A on the spinner pictured below. (The sectors are of equal size.) 
A. 3 to 1
B. 2 to 1
C. 3 to 5
D. 1 to 3
Answer: C
Mathematics
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Solve the problem.The system of equations 
= (-5 + 6y)x and 
= (-5 + x)y describes the growth rates of two symbiotic (dependent) species of animals (such as the rhinoceros and a type of bird which eats insects from its back). Find the equilibrium points.
A. (x, y) = (0, 0) and (x, y) = 
B. (x, y) = (0, 0) and (x, y) = 
C. (x, y) = 
D. (x, y) = (0, 0) and (x, y) = 
Mathematics
Graph the function.y = 
cos 
x
A. 
B. 
C. 
D. 
Mathematics
Find dy/dx by implicit differentiation. If applicable, express the result in terms of x and y.2y2 + 5x2 - 19 = 0
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.x2 - 81 = 80x
A. {-1, 81} B. {-9} C. {-9, 9} D. {-81, 1}
Mathematics