Simplify.
A. 6
B. 
C. 100
D. 10
Answer: D
Mathematics
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Solve the problem.The base of the closed cubelike surface is the unit square in the xy-plane. The four sides lie in the planes 
, x = 1, y = 0, and y = 1. The top is an arbitrary smooth surface whose identity is unknown. Let 
and suppose the outward flux through the side parallel to the yz-plane is 3 and through the side parallel to the xz-plane is -5. What is the outward flux through the top?
A. 2 B. -2 C. Not enough information to determine D. 0
Mathematics
Rewrite the fraction with the denominator indicated.Write 
with a denominator of 22.
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression.cos 40° cos 20° - sin 40° sin 20°
A. 
B. 
C. 
D. 
Mathematics
Write as a percent.
A. 51
%
B. 512
%
C. 5
%
D. 75%
Mathematics