Solve.xy - y2 = 49xy - 10y2 = 0
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Answer: D
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Find the Cartesian coordinates of the given point.
A. (-7, 0) B. (0, -7) C. (7, 0) D. (0, 7)
Solve.A rectangular flower bed is eight feet longer than it is wide. If the area of the flower bed is 84 square feet, find the width and the length of the flower bed.
A. 12 feet by 7 feet B. 12 feet by 20 feet C. 4 feet by 21 feet D. 6 feet by 14 feet
Solve the variation problem.The distance that an object falls when it is dropped is directly proportional to the square of the amount of time since it was dropped. An object falls 512 feet in 4 seconds. Find the distance the object falls in 
A. 640 feet B. 160 feet C. 20 feet D. 800 feet
Solve the equation and check the solution.23 = m - 2
A. m = -25 B. m = 25 C. m = -21 D. m = 21