Find the center-radius form for the circle having the given endpoints of a diameter.(6, -2) and (-4, 4)
A. (x - 1)2 + (y - 1)2 = 34
B. (x - 1)2 + (y - 1)2 = 136
C. (x + 1)2 + (y + 1)2 = 136
D. (x + 1)2 + (y + 1)2 = 34
Answer: A
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Evaluate.
A. -53 B. -21 C. -37 D. 53
Solve the problem.If a satellite is placed in a circular orbit of 440 kilometers above the Earth, what is the equation of the path of the satellite if the origin is placed at the center of the Earth (the diameter of the Earth is approximately 12,740 kilometers)?
A. x2 + y2 = 40,576,900 B. x2 + y2 = 46,376,100 C. x2 + y2 = 173,712,400 D. x2 + y2 = 193,600
Solve the problem.A plane flies 440 miles with the wind and 300 miles against the wind in the same length of time. If the speed of the wind is 21 mph, what is the speed of the plane in still air?
A. 136 mph B. 116 mph C. 101 mph D. 111 mph
Simplify.
2 ÷ 
A. 
B. 
C. 
D. 