Find the work done by F over the curve in the direction of increasing t.F = xyi + 6j + 2xk; C: r(t) = cos 5ti + sin 5tj + tk, 0 ? t ? 
A. W = 
B. W = 
C. W = 0
D. W = 
Answer: D
Mathematics
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Tell whether the angle is acute, right, obtuse, straight, or reflex.
A. Straight B. Acute C. Right D. Zero
Mathematics
Add or subtract. Simplify the answer.
- 
A. 
B. 
C. 
D. 
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Find the ratio.
144 in. to 3 ft.
Mathematics
Let f be the function defined by 
. Find 
,
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, and 
.
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What will be an ideal response?
Mathematics