Find the center and radius of the circle.x2 + y2 + 18x - 14y + 94 = 0
A. (-7, 9); r = 36
B. (9, -7); r = 36
C. (7, -9); r = 6
D. (-9, 7); r = 6
Answer: D
Mathematics
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A. (4x + 20) sq. in. B. (6x2 + 14x) sq. in. C. (4x2 + 20x) sq. in. D. (8x2 + 40x) sq. in.
Mathematics
Write the shaded area in the figure as a mixed number and as an improper fraction.
A. 1
; 
B. 1
; 
C. 1
; 
D. 1
; 
Mathematics
Factor out the largest common factor.3a + 12
A. 3(3a + 4) B. 3(a + 12) C. 3(a + 4) D. 12(a + 1)
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Find n for the given value of an in the arithmetic sequence.an = -438
; 801
, 780
, 759
, . . .
A. n = 60 B. n = 56 C. n = 59 D. n = 57
Mathematics