Solve the problem for the given information.Find the equation of a line passing through the origin so that the cosine of the angle between the line in 
and the positive 
is 
.
A. y = 
x
B. y = 
x
C. y = 
x
D. y = 
x
Answer: D
Mathematics
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In the given voting system, the weights represent, in order, voters A, B, C, and so on. Determine the Banzhaf power index for each voter.[12 : 1, 3, 5, 7]
A. A has an index of 0. All others have an index of 
.
B. A and B have an index of 
. C and D have an index of 0.
C. A and B have an index of 0. C and D have an index of 
.
D. All have an index of 
.
Mathematics
Find the area of the figure using determinants.
A. 11.0 B. 11.5 C. 12.0 D. 12.5
Mathematics
Solve the problem.A lake lies between A and C, and lines AB and DE run north-south. If 
and 
how far is it from A to C? Round to the nearest tenth.
A. 10.9 mi B. 3.9 mi C. 5.0 mi D. 5.3 mi
Mathematics
Simplify the expression.6255/4
A. 3125 B. 1,953,125 C. 78,125 D. 390,625
Mathematics