Add or subtract and write answer in lowest terms.15
- 6
A. 8
B. 9
C. 7
D. 8
Answer: D
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Write the equation of the circle in standard form. Find the center and radius. Then sketch the graph.x2 + y2 + 6x - 4y - 12 = 0
A. (x - 3)2 + (y - 2)2 = 25
(h, k) = (3, 2), r = 5
B. (x + 3)2 + (y + 2)2 = 25
(h, k) = (-3, -2), r = 5
C. (x - 3)2 + (y + 2)2 = 25
(h, k) = (3, -2), r = 5
D. (x + 3)2 + (y - 2)2 = 25
(h, k) = (-3, 2), r = 5
Solve the system of equations.x2 + y2 = 40x2 - y2 = 32
A. (6, 2), (2, 6), (-6, -2), (-2, -6) B. (6, -2), (6, 2) C. (6, 2), (-6, 2), (6, -2), (-6, -2) D. (-6, -2), (-2, -6)
Answer the question about the given function.Given the function f(x) = -7x2 - 14x - 2, is the point (-1, 5) on the graph of f?
A. Yes B. No
Write fraction in lowest terms.There are 16 ounces to a pound. What fraction of a pound is 12 ounces?
A. 
B. 12
C. 
D. 