Find the center and radius of the circle with the given equation. x2 + y2 - 10x + 2y + 26 = 16
A. Center (-5, 1), r = 16
B. Center (1, -5), r = 16
C. Center (5, -1), r = 4
D. Center (-1, 5), r = 4
Answer: C
Mathematics
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Answer the question as instructed.Evaluate 12.
A. 21
B. 1
C. 2
D. 
Mathematics
Solve the problem.Two tracking stations are on the equator 126 miles apart. A weather balloon is located on a bearing of 
from the western station and on a bearing of 
from the eastern station. How far is the balloon from the western station? Round to the nearest mile.
A. 307 mi B. 248 mi C. 298 mi D. 257 mi
Mathematics
Factor completely.3x2 - 21x + 36
A. Prime B. (3x - 9)(x - 4) C. 3(x - 3)(x - 4) D. 3(x - 12)(x + 1)
Mathematics
Find an equation for the hyperbola described.Vertices (
, -3) and (- 
, -3); asymptotes 
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics