Solve.2n - 9 < 7
A. n < 18
B. n < 12
C. n < 14
D. n < 8
Answer: D
Mathematics
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Find the flux of the vector field F across the surface S in the indicated direction.F = 
k ; S is the upper hemisphere of x2 + y2 + z2 = 25; direction is outward
A. - 10? B. - 10 C. 10 D. 10?
Mathematics
Solve the problem.A satellite dish has a parabolic cross section and is 12 ft deep. The focus is 16 ft from the vertex. Find the width of the satellite dish at the opening. Round your answer to the nearest foot.
A. 63 ft B. 59 ft C. 57 ft D. 55 ft
Mathematics
Find the limit.
(x3 + 5x2 - 7x + 1)
A. 29 B. 0 C. 15 D. does not exist
Mathematics
Graph the region described by the inequality.x + 2y ? 6
A. 
B. 
C. 
D. 
Mathematics