Find all solutions of the equation in the interval [0°, 360°). Round the answers to the nearest tenth of a degree.cot (? - 30°) = -9
A. {203.7°}
B. {216.3°}
C. {36.3°}
D. {36.3°, 216.3°}
Answer: A
Mathematics
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Find the area of the geometric figure.
A. 12.5 sq m B. 375 sq m C. 37.5 sq m D. 3.75 sq m
Mathematics
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination. x + y + z = 3 x - y + 5z = 253x + y + z = 13
A. (3, 5, -5) B. (5, -5, 3) C. (3, -5, 5) D. No solution
Mathematics
Perform the indicated operation. 
÷ 
A. 
B. 
C. 
D. 
Mathematics
Evaluate.log4 64
A. 8 B. 3 C. 6 D. 64
Mathematics