Solve the equation in the complex number system.x2 + 144 = 0
A. {12i}
B. {-12, 12}
C. {-12i, 12i}
D. {12}
Answer: C
Mathematics
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Write the negation of the conditional statement.If she can't take out the trash, I will.
A. She can take out the trash, and I can't. B. She can't take out the trash, and I won't. C. She can't take out the trash, I can't. D. If she can take out the trash, I can't.
Mathematics
Find the debt-to-equity ratio rounded to the nearest hundredth.Great Lakes Foundry has current liabilities of $250,000, long-term liabilities of $626,000, and owner's equity of $1,358,000.
A. 0.46 B. 0.40 C. 1.55 D. 0.65
Mathematics
Solve the formula for the specified variable.r = 
for ?
A. ? = 
2
B. ? = 
C. ? = 
D. ? = 
Mathematics
Determine whether the following is a difference of squares.9x2 - 81y2
A. Yes B. No
Mathematics