Simplify.
A. 
B. 1
C. 
D. 
Answer: D
Mathematics
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Give an expression that generates all angles coterminal with the given angle. Let n represent any integer.42°
A. 42° + n ? 720° B. 42° + n ? 180° C. 42° + n ? 360° D. 42° + n ? 90°
Mathematics
Use a calculator to approximate the square root. Round to three decimal places.
A. 1.376 B. 1.389 C. 1 D. 1.404
Mathematics
Perform the indicated operation.
÷ 
A. 
B. - 
C. 
D. - 
Mathematics
Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, give the solution with y arbitrary. 4x + 3y = 1 2x + 4y = 8
A. {(-2, -3)} B. {(-2, 3)} C. ? D. {(3, -2)}
Mathematics