Use a calculator to give the value in degrees.cos-1(-0.9397)
A. 160°
B. 162°
C. 157°
D. -20°
Answer: A
Mathematics
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What will be an ideal response?
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Determine whether the statement is true for n = 1, 2, 3, 4, and 5. Use the number of true statements as your answer.2n + 1 < n2
A. 5 B. 3 C. 2 D. 4
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Solve the equation.x4 - 64x2 = 0
A. -8, 0, 8 B. -8, 0 C. -8, 8 D. 0, 8
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A. 
B. 
C. 
D. 
Mathematics