Find the exact solutions to the quadratic equation in the complex numbers.x2 + 225 = 0
A. 15i
B. ±15
C. -112.5i
D. ±15i
Answer: D
Mathematics
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Find the 1st quartile, Q1.Find the 3rd quartile, Q3.
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A. 9.14 in. B. 11.14 in. C. 14.28 in. D. 12.28 in.
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Find the exact value of the real number y.y = arcsin 
A. 
B. ?
C. 
D. - 
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