Find the general form of the equation of the the circle.Center at the point (-6, -4); tangent to y-axis
A. x2 + y2 + 12x + 8y + 36 = 0
B. x2 + y2 - 12x - 8y + 16 = 0
C. x2 + y2 + 12x + 8y + 16 = 0
D. x2 + y2 + 12x + 8y + 88 = 0
Answer: C
Mathematics
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Use the Root Test to determine if the series converges or diverges.
A. Converges B. Diverges
Mathematics
Solve.
= 
A. 0
B. 0, 36
C. 4, 6
D. 0, 
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Solve the problem. Round results to an appropriate number of significant digits.A plane is found by radar to be flying 5.7 km above the ground. The angle of elevation from the radar to the plane is 84.0°. Ten seconds later, the plane is directly over the station. Find the speed of the plane, assuming that it is flying level.
A. 230 km/hr B. 240 km/hr C. 210 km/hr D. 220 km/hr
Mathematics
Simplify.3
- 5
A. 26
B. -26
C. -44
D. 44
Mathematics