Find the area.
a = 20.5 yd, b = 38 yd, c = 35 yd
A. 610 yd2
B. 670 yd2
C. 360 yd2
D. 720 yd2
Answer: C
Mathematics
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Compute the unit binormal vector and torsion of the curve. r(t) = 
A. B(t) = 
, ? = 
B. B(t) = 
, ? = 
C. B(t) = 
, ? = 
D. B(t) = 
, ? = 
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Provide an appropriate response. If the local sales tax rate is 5.5% and an additional motel tax of 4.8% is charged to a $145 room, what is the total room bill?
A. $151.96 B. $152.98 C. $145.00 D. $159.94
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Determine whether the given equation is an identity.5x + 8x = 12x
A. Yes B. No
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Perform the addition or subtraction.(7x2 + 4x + 10) - (-4x2 - 9)
A. 11x2 + 4x + 19 B. 11x2 + 13x + 10 C. 3x2 + 13x + 10 D. 3x2 + 4x + 19
Mathematics