Find the quotient. Write the answer in standard form.
A. - 
+ 
i
B. 
+ 
i
C. - 
+ 
i
D. 
+ 
i
Answer: D
Mathematics
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Find the standard-form equation for an ellipse which satisfies the given conditions.An ellipse centered at the origin having focus (0, -2
) and directrix y = - 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Find the volume of the sphere satisfying the given condition. Approximate values to the nearest tenth.radius = 3.5 in.
A. 1436.027 in.3 B. 179.503 in.3 C. 51.287 in.3 D. 100.971 in.3
Mathematics
Simplify.
A. -5
B. 
C. 5
D. 16
Mathematics
Use Cramer's Rule to solve (if possible) the system of equations.
?
?
?
A. (0, 2, -4) B. (0, -2, 4) C. (0, -2, -4) D. (0, 2, 0) E. (0, 2, 4)
Mathematics