Find the approximate value of the expression with a calculator. Round your answer to three decimal places.cos-1 (0.6015)
A. 0.925
B. 4.067
C. 5.358
D. 0.645
Answer: A
Mathematics
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Find the numbers, if any, where the function 
is discontinuous.
a. –2 b. 2 c. 1 d. 0
Mathematics
Draw the angle in standard position and state the quadrant in which the terminal side of the angle lies or the axis on which the terminal side of the angle lies.
A. Quadrant IV
B. Quadrant III
C. Quadrant I
D. Quadrant III
Mathematics
Complete.223.2 mm = 
dm
A. 223.2 B. 22,320 C. 2232 D. 2.232
Mathematics
Indicate whether the statement is true always, sometimes, or never.The sum of two imaginary numbers is an imaginary number.
A. Never B. Sometimes C. Always
Mathematics