Write the complex number in rectangular form.3
A. 
+ 
i
B. 
+ 
i
C. 
+ 
i
D. 
+ i
Answer: A
Mathematics
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Evaluate the factorial expression.
A. 1 B. 10 C. 720 D. 120
Mathematics
Translate the verbal phrase into a mathematical expression. Use x to represent the unknown number.The ratio of a number and 79
A. 
B. 79x
C. 79 - x
D. 79 + x
Mathematics
Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places.
A. 10 B. 9 C. 5 D. 7
Mathematics
Solve the problem.What is 100% of $720?
A. $360 B. $720 C. $72,000 D. $72
Mathematics