If s denotes the length of the arc of a circle of radius r subtended by a central angle ?, find the missing quantity.r = 
feet, s = 7 feet, ? = ?
A. 
°
B. 
radians
C. 21 radians
D. 21°
Answer: C
Mathematics
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A. Yes B. No
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Find the length of the curve with the given vector equation.r(t) = (6 cos3 5t)j + (6 sin3 5t)k; 
? ? t ? 
?
A. 0 B. 18 C. 3 D. 9
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Answer the question.What is significant about the list {2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31,...}
What will be an ideal response?
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Find the greatest common divisor (GCD).8 and 12
A. 8 B. 4 C. 1 D. 2
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