Find the standard form of the equation of the ellipse satisfying the given conditions.Foci at (-7, 0), (7, 0); Vertices at (-8, 0), (8, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 0 B. -54 C. 1 D. 3
Mathematics
Solve the equation for y.-3x - 3y = 5
A. y = 
, or y = 
B. y = 
, or y = 
C. y = 
, or y = 
D. y = 
, or y = 
Mathematics
Solve the system of equations. 3x + 5y - 2w = -13 2x + 7z - w = -1 4y + 3z + 3w = 1 -x + 2y + 4z= -5
A. 
B. 
C. 
D. (1, -2, 0, 3)
Mathematics
Find the domain of the composite function f ? g.f(x) = 3x + 24; g(x) = x + 6
A. {x 
B. {x 
C. {x 
D. {x 
Mathematics