Find the center and the radius of the circle.x2 + (y + 8)2 = 15
A. center (-8, 0); radius = 
B. center (0, -8); radius = 
C. center (0, -8); radius = 225
D. center (0, -8); radius = 15
Answer: B
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Provide an appropriate response.Rearrange the formula to solve for the indicated letter: A = ab + 
(a + c) for d
What will be an ideal response?
Completely factor the polynomial or state that the polynomial is prime.18x2 + 24x + 8
A. 2(3x - 2)2 B. 2(3x + 2)(3x - 2) C. prime D. 2(3x + 2)2
Factor completely.x4 + 3x2 - 70
A. (x2 - 10)(x2 + 1) B. (x2 - 7)(x2 - 10) C. (x2 - 7)(x2 + 10) D. (x2 - 10)(x2 + 7)
Solve. Round your answer to the nearest tenth, if necessary.The length of a rectangular storage room is 5 feet longer than its width. If the area of the room is 50 square feet, find its dimensions.
A. Width is 4 feet; length is 11 feet B. Width is 5 feet; length is 10 feet C. Width is 6 feet; length is 11 feet D. Width is 4 feet; length is 9 feet