Find the work done by F over the curve in the direction of increasing t.F = xyi + 6j + 9xk; C: r(t) = cos 5ti + sin 5tj + tk, 0 ? t ? 
A. W = 
B. W = 
C. W = 
D. W = 0
Answer: A
Mathematics
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Provide an appropriate response.Explain the error in the following: log6 8 - log6 N = log6 (8 - N).
What will be an ideal response?
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Find the surface area of the surface S.S is the portion of the surface 
that lies above the rectangle 
and 
in the x-y plane.
A. 
[40 + ln 9]
B. 60[40 + ln 9]
C. 12[40 + ln 9]
D. 6[40 + ln 9]
Mathematics
Solve.A $2500 painting is on sale at 25% off. What is the discount?
A. $62.50 B. $1875.00 C. $625.00 D. $2437.50
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Graph the linear equation. Give the x- and y-intercepts.x - y = 5
A. x-intercept: (5, 0); y-intercept: (0, 5)
B. x-intercept: (5, 0); y-intercept: (0, - 5)
C. x-intercept: (- 5, 0); y-intercept: (0, 5)
D. x-intercept: (- 5, 0); y-intercept: (0, - 5)
Mathematics