Find the center and radius of the circle with the given equation. (x - 4)2 + y2 = 16
A. Center (0, 4), r = 16
B. Center (0, 4), r = 4
C. Center (4, 0), r = 16
D. Center (4, 0), r = 4
Answer: D
Mathematics
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A. 7
B. 1
C. -7
D. 
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Find the number of terms in the sequence or the sum of the sequence as requested.Find the sum of the following arithmetic sequence.10 + 11 + 12 + . . . + 500
A. 125,205 B. 124,714 C. 125,214 D. 125,250
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Simplify the expression. All exponents should be positive integers.
A. 
B. 
C. 
D. 
Mathematics
Identify the degree and leading coefficient of the polynomial.f(x) = -20x5 + 9x4 + 7
A. Degree: 9; leading coefficient: -20 B. Degree: 5; leading coefficient: -20 C. Degree: 10; leading coefficient: -20 D. Degree: -20; leading coefficient: 5
Mathematics