Simplify.
A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Find the unit tangent vector of the given curve.r(t) = 
i + 
j - 12tk
A. T = 
i + 
j - 
k
B. T = 
i + 
j - 
k
C. T = 
i + 
j - 
k
D. T = 
i + 
j - 
k
Mathematics
Solve the equation.x2 + 20x + 100 = 0
A. 10 B. -11, -9 C. 0, 10 D. -10
Mathematics
Write the statement in words and decide whether it is true or false.8 ? 4 + 5
What will be an ideal response?
Mathematics
Factor completely. If the polynomial is prime, state this.169s2 - 4t4
A. (13s + 2t2)(13s - 2t2) B. (13s - 2t2)2 C. Prime D. (13s + 2t2)2
Mathematics