Find an equation of an ellipse satisfying the given conditions.Vertices: (0, ±9); Length of minor axis: 6
A. 
+ 
= 10
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
Mathematics
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Simplify.
+ 
A. 
B. 
C. 1
D. 
Mathematics
Find the perimeter of the given square or rectangle.A rectangle measuring 7 ft by 12 ft
A. 19 ft B. 28 ft C. 38 ft D. 10 ft
Mathematics
Solve the problem.A tumor is approximately spherical in shape. If the radius of the tumor changes from 
to 
, find the approximate change in volume.
A. 101 mm3 B. 268 mm3 C. 1700 mm3 D. 402 mm3
Mathematics
List the potential rational zeros of the polynomial function. Do not find the zeros.f(x) = 6x4 + 3x3 - 4x2 + 2
A. ± 
, ± 
, ± 
, ± 1, ± 2
B. ± 
, ± 
, ± 
, ± 
, ± 1, ± 2
C. ± 
, ± 
, ± 1, ± 2, ± 3, ± 6
D. ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 3
Mathematics