Compute the unit binormal vector and torsion of the curve. r(t) = 
A. B(t) = 
, ? = 
B. B(t) = 
, ? = 
C. B(t) = 
, ? = 
D. B(t) = 
, ? = 
Answer: C
Mathematics
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The point P on the circle x2 + y2 = r2 that is also on the terminal side of an angle ? in standard position is given. Find the indicated trigonometric function.(12, 5)Find cos ?.
A. - 
B. 
C. - 
D. 
Mathematics
Solve the problem.A developer wants to enclose a rectangular grassy lot that borders a city street for parking. If the developer has 224 feet of fencing and does not fence the side along the street, what is the largest area that can be enclosed?
A. 9408 ft2 B. 6272 ft2 C. 3136 ft2 D. 12,544 ft2
Mathematics
Solve.6x3 + x2 - 6x - 1 = 0
A. 1 , 
B. 1 , -1
C. -1 , 6
D. 1 , -1 , - 
Mathematics
Use the properties of equality to solve the equation.y + 
= -8
A. - 
B. 
C. -37
D. - 
Mathematics