Find the flux of the vector field F across the surface S in the indicated direction.F(x, y, z) = 5xi + 5yj + 2k , S is the surface cut from the bottom of the paraboloid z = x2 + y2 by the plane 
direction is outward
A. 16?
B. -144?
C. 88?
D. 72?
Answer: A
Mathematics
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Find the second derivative.y = 
+ 
A. - 
- 
B. 
- 
C. - 
+ 
D. 
+ 
Mathematics
Complete.7 yd2 = 
ft2
A. 63 B. 252 C. 2.3333 D. 21
Mathematics
Solve the inequality and graph the solution set.2 < 2t - 2 ? 12
A. (2, 7]
B. (2, 7)
C. (-7, -2)
D. [-7, -2]
Mathematics
Solve the problem. First use front end rounding. Then find the exact answer.Find the total amount Lisa stashed in an envelope on her dresser if she placed $485 there at the end of each week, for 3 weeks.
A. Estimate: $1500; exact: $1470 B. Estimate: $1470; exact: $1455 C. Estimate: $1470; exact: $1470 D. Estimate: $1500; exact: $1455
Mathematics