For the given quadratic equation, use the discriminant to determine the number and type of solutions.x2 + 4x + 7 = 0
A. Two real
B. Two nonreal complex
C. One real
Answer: B
Mathematics
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Write the power of i as i, -1, -i, or 1.i22
A. 1 B. i C. -i D. -1
Mathematics
Simplify.
A. 
B. -21
C. 11
D. 21
Mathematics
Use the method of sealed bids to complete the table.Tom and Axel have inherited their father's sailboat and want to decide who should receive it. 
A. 
B. 
C. 
D. 
Mathematics
If the 18th term of an arithmetic sequence is 37 and the 6th term is 13, find the 40th term.
Fill in the blank(s) with the appropriate word(s).
Mathematics