What type of angles are 
?
A. corresponding
B. vertical angles
C. complementary
D. supplementary
E. adjacent angles
Answer: B
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Solve the problem using determinants.Linear systems occur in the design of roof trusses for new homes and buildings. The simplest type of roof truss is a triangle. The truss shown in the figure is used to frame roofs of small buildings. If a 128-pound force is applied at the peak of the truss, then the forces or weights W1 and W2 exerted parallel to each rafter of the truss are determined by the following linear system of equations. 
W1 + 
W2 = 256
-4.0px;" />W1 - 
W2 = 0Find W1 and W2.
A. W1 = 93.7 lb; W2= 114.76 lb
B. W1 = 114.76 lb; W2= 93.7 lb
C. W1 = 128 lb; W2= 156.77 lb
D. W1 = 46.85 lb; W2= 57.38 lb
Refer to the weighted voting system 
and the Banzhaf definition of power. (The four players are P1, P2, P3 and P4.)The number of winning coalitions is
A. 15. B. 5. C. 3. D. 4. E. none of these
Solve the problem.Determine if the number is a perfect square.2
A. Yes B. No
Plot the complex number in the complex plane.-3 - i 
A. 
B. 
C. 
D. 