Write the expression in the standard form a + bi.(9 + 3i)(9 - 3i)
A. 81 - 9i2
B. 81 - 9i
C. 90
D. 72
Answer: C
Mathematics
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Simplify the expression.2565/4
A. 1024 B. 262,144 C. 16,384 D. 65,536
Mathematics
Identify the figure as a line, segment, or ray. Then use the correct symbol to name the figure.
A. ray; 
B. line segment; 
C. line; 
D. line; 
Mathematics
Find the indicated term of the geometric sequence.8th term of 1, 
, 
, ...
A. a8 = 
B. a8 = 
C. a8 = 
D. a8 = 
Mathematics
Add or subtract as indicated. Write the answer in simplest form. 
- 
A. - 
B. 
C. - 
D. 
Mathematics