Find the center of the ellipse.
+ 
= 1
A. (20, 0)
B. (0, 0)
C. (20, 12)
D. (0, 12)
Answer: B
Mathematics
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Solve the problem.The combined capacitance N (in ?F) of a 4-?F capacitance and a variable capacitance C in series satisfies the equation 
Sketch the graph.
A. 
B. 
C. 
D. 
Mathematics
Determine whether the relations represent functions. Identify the domain and range of each relation. 
A. not a function B. function domain:{24, 48, 72, 96} range: {4, 8, 12, 16} C. function domain: {4, 8, 12, 16} range: {24, 48, 72, 96}
Mathematics
Find the least common multiple.25a3, 20a
A. 100 B. 100a C. 100a2 D. 100a3
Mathematics
Completely factor the polynomial or state that the polynomial is prime.15x2 - 65x - 50
A. 5(3x + 2)(x - 5) B. prime C. (15x + 10)(x - 5) D. 5(3x - 2)(x + 5)
Mathematics