Give the value of the function in radians. Round your answer to three decimal places.cos-1 0.2082
A. 4.922
B. 4.503
C. 0.210
D. 1.361
Answer: D
Mathematics
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A school board has determined that there should be 4 teachers for every 50 students. How many teachers are needed for an enrollment of 2,750 students?
A. 245 teachers B. 209 teachers C. 220 teachers D. 204 teachers E. 163 teachers
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Set up an integral for the length of the curve.x = y1/3, 0 ? y ? 2
A. 
B. 
C. 
D. 
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Find the value of the expression.log 9
A. -3 B. -81 C. 3 D. 81
Mathematics
Solve the problem using a basic geometric formula. Find the area.
A. 462 yd2 B. 392 yd2 C. 483 yd2 D. 966 yd2
Mathematics