Specify the center and radius of the circle.x2 + 12x + y2 + 8y + 27 = 0
A. center: (6, 4); radius: 5
B. center: (-6, -4); radius: 25
C. center: (6, 4); radius: 25
D. center: (-6, -4); radius: 5
Answer: D
Mathematics
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Calculate the flux of F across G.F(x, y, z) = xzi + yzj + k; G is the cap cut from the sphere x2 + y2 + z2 = 9 by the plane 
A. 35?
B. - 
?
C. 
?
D. 
?
Mathematics
Solve the problem.The function defined by 
gives the distance in feet that a car going approximately 
will skid in t seconds. Find the time it would take for the car to skid 
. Round to the nearest tenth.
A. 10.5 sec B. 9.3 sec C. 10.7 sec D. 10.3 sec
Mathematics
Simplify.
÷ (-0.7) + 
2
A. -0.2381 B. -0.0159 C. -0.127 D. 0.0952
Mathematics
Perform the indicated operations. Express the answer as a single polynomial in standard form.6x(3x - 4)
A. -6x2 B. 18x2 - 4x C. 18x2 - 24x D. 3x2 - 24x
Mathematics