Solve the equation.
- 9 = x
A. 
B. - 
C. 
D. 
Answer: B
Mathematics
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Find the vertices and foci of the ellipse.9x2 + 25y2 = 225
A. Vertices: (0, ±5); Foci: (0, ±4) B. Vertices: (0, ±9); Foci: (0, ±5) C. Vertices: (±5, 0); Foci: (±4, 0) D. Vertices: (±9, 0); Foci: (±4, 0)
Mathematics
Solve the problem.What is the minimum force required to prevent a ball weighing 28.2 lb from rolling down a ramp which is inclined 12.1° with the horizontal? Round to the nearest tenth.
A. 3 lb B. 13.8 lb C. 27.6 lb D. 5.9 lb
Mathematics
Provide an appropriate response.Subtract:7,008- 3,463
A. 3,645 B. 4,465 C. 4,645 D. 3,545
Mathematics
Write the expression in the standard form a + bi.(9 + 5i)(9 - 5i)
A. 106 B. 81 - 25i C. 81 - 25i2 D. 56
Mathematics