Find an equation of a sphere with the given radius r and center C.  figure 1.png)
What will be an ideal response?
(x+10)² + y² + (z-1)² = 10
Mathematics
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Provide an appropriate response.Write as a complex number in simplified form: -7 + 
A. -7 + i
B. -7 - 5i
C. -7 + 5i
D. -7 - i
Mathematics
Write a polar equation in r and ? of an ellipse with the focus at the origin, with the eccentricity  FIGURE 1.png)
and directrix x = -13.
What will be an ideal response?
Mathematics
Determine whether the ordered pair is a solution of the system of equations. Use alphabetical order of the variables.(3, 6); x + y = 3 x - y = -9
A. Yes B. No
Mathematics
Graph the function and then find the specified limit. When necessary, state that the limit does not exist.f(x) = 
; 
f(x) 
A. 
f(x) = 2
B. 
f(x) = 2
C. 
f(x) = 3
D. 
f(x) does not exist
Mathematics