Write the following as an algebraic expression in u, u > 0.tan 
A. 
B. 2u
C. 
D. 
Answer: A
Mathematics
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Convert the angle to decimal degrees and round to the nearest hundredth of a degree.161°53'19"
A. 161.95° B. 161.89° C. 161.85° D. 161.90°
Mathematics
Solve the compound inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.-31 ? -5x + 4 < -11
A. [3, 7)
B. (-7, -3]
C. [-7, -3)
D. (3, 7]
Mathematics
Solve. x - y + 2z = 112x + z = 3 x + 2y + z = -7
A. (3, 0, -5) B. (3, -5, 0) C. No solution D. (0, -5, 3)
Mathematics
Simplify the expression. Write the result using positive exponents only.(-5)-2
A. - 
B. 
C. -25
D. 25
Mathematics