Write the expression in the standard form a + bi.If z = 9 - 3i, evaluate z + 
.
A. 18 - 6i
B. 18 + 6i
C. -6i
D. 18
Answer: D
Mathematics
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Divide and simplify.
÷ 
A. 
B. 
C. 
D. 
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Sketch the graph of the function.f(x) = 3
- 6
A. 
B. 
C. 
D. 
Mathematics
Use the complement formula to answer the question.If two fair dice are rolled, what is the probability that a total showing is more than three?
A. 
B. 
C. 
D. 
Mathematics
The figure shows a transformation of the graph of y = x2. Write the equation for the graph.
A. g(x) = -x2 - 4 B. g(x) = -x2 C. g(x) = -(x + 4)2 D. g(x) = -x2 + 4
Mathematics