Graph the equation for the given values of z.z = x2 + y2, z = 0, z = 2, z = 4, z = 6, z = 8
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use the given triangles to evaluate the expression. Rationalize all denominators. 
cot 
A. 
B. 1
C. 
D. 
Mathematics
Write the power of i as i, -1, -i, or 1.i14 + i11
A. 1 + i B. 1 - i C. -1 + i D. -1 - i
Mathematics
Write as a percent. Round the percent to the nearest tenth if necessary.
A. 800% B. 8% C. 0.8% D. 80%
Mathematics
Find the part.81% of 100 animals
A. 8100 animals B. 810 animals C. 8 animals D. 81 animals
Mathematics