Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Decide whether vertex A of the network is even or odd.
A. Even B. Odd
Mathematics
Find the real solutions of the equation.
= 4
A. 
B. 
C. {16}
D. {4}
Mathematics
Solve the right triangle; angle C is the right angle. Round to the nearest tenth where necessary.B = 34.5°, c = 1.9
A. A = 55.5°, a = 1.6, b = 0.8 B. A = 55.5°, a = 1.1, b = 1.6 C. A = 55.5°, a = 0.8, b = 1.7 D. A = 55.5°, a = 1.6, b = 1.1
Mathematics
Solve the system of equations using matrices. Use Gauss-Jordan elimination.
A. {(2, 6, -1)} B. {(-1, 6, 2)} C. {(1, 5, 6)} D. {(1, 6, 5)}
Mathematics