Use a calculator to find the value of y in degrees rounded to two decimal places.y = cos-1 (-0.8336)
A. 56.47°
B. 146.47°
C. -56.47°
D. 39.81°
Answer: B
Mathematics
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Calculate. Write the answer in lowest terms and as a mixed number where appropriate.5
÷ 5
A. 1
B. 1
C. 1
D. 2
Mathematics
Complete the ordered pairs. Then graph the equation by plotting the points and drawing a line through them.x + y = 6 (0, ), ( , 0), (2, )
A. (0, 6), (6, 0), (2, 4)
B. (0, -6), (-6, 0), (2, -8)
C. (0, -6), (6, 0), (2, -4)
D. (0, 6), (-6, 0), (2, 8)
Mathematics
Use the graph to determine the domain and range of the function. 
A. domain: {x|x ? 3} range: {y|y ? 4} B. domain: {x|x ? 4} range: {y|y ? -3} C. domain: {x|x ? 4} range: {y|y ? 3} D. domain: {x|x ? -3} range: {y|y ? 4}
Mathematics
Use a graphing utility to graph the polar equation.r = 
A. 
B. 
C. 
D. 
Mathematics