Find the flux of the vector field F across the surface S in the indicated direction.F = x4y3i + yj - zk; S is the portion of the parabolic cylinder z = 1 - y2 for which 
and 4 ? x ? 6; direction is outward (away from the x-y plane)
A. -4
B. 4
C. 2
D. 0
Answer: D
Mathematics
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Determine the real solutions to the system of nonlinear equations.x2 + y2 = 169x + y = 17
A. (12, -5), (5, -12) B. (12, 5), (5, 12) C. (-12, -5), (-5, -12) D. (-12, 5), (-5, 12)
Mathematics
Write the expression using exponents.4 ? 4 ? 4 ? 4 ? 4 ? 4
A. 24 B. 64 C. 45 D. 46
Mathematics
Evaluate the integral.
A. 
B. 
C. 
D. 
Mathematics
Fill in the blank with one of the choices listed below. Some choices may be used more than once. 
When writing decimals in words, write "
" for the decimal point.
A. sum B. mean C. mode D. and
Mathematics