Solve the problem.The gravitational attraction A between two masses varies inversely as the square of the distance between them. If the force of attraction is 2.25 lb when the masses are 4 ft apart, what is the attraction when the masses are 6 ft apart?
A. 1 lb
B. 3 lb
C. 2 lb
D. 4 lb
Answer: A
Mathematics
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.
A. 
B. 
C. 
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Write the mixed number as an improper fraction.17
A. 
B. 
C. 
D. 
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Identify the correspondence.The two triangles shown below are congruent. List the vertices corresponding to A, B ,and C in order. 
A. X, Y and Z B. Y,X and Z C. Z, X and Y D. Y, Z and X
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k = - 
A. k = 17 B. k = 5 C. k = 18 D. k = -3
Mathematics