Evaluate 
.g(x, y, z) = z2; G: x2 + y2 + z2 = 3, z ? 0
A. 4?
B. 3?
C. 6?
D. 36?
Answer: C
Mathematics
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Determine whether the line integral 
is positive, negative or zero.
A. positive B. negative C. zero
Mathematics
Solve the problem.In four rounds of a card game, you get scores of -2, -9, -8, and 5. What is your final score?
A. -14 B. 20 C. -20 D. 14
Mathematics
Perform the indicated operation and write the answer in lowest terms. - 
+ 
A. - 
B. 
C. - 
D. - 
Mathematics
Multiply.(2x + 7)(x + 8)
A. x2 + 23x + 22 B. 2x2 + 23x + 56 C. 2x2 + 22x + 56 D. x2 + 56x + 23
Mathematics