Find the exact value of x.sec-1 x = - sin-1 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the given applied problems involving variation.The gravitational attraction A between two masses varies inversely as the square of the distance between them. The force of attraction is 4 lb when the masses are 3 ft apart, what is the attraction when the masses are 6 ft apart?
A. 4 lb B. 3 lb C. 1 lb D. 2 lb
Mathematics
Provide an appropriate response.Convert 
to an improper fraction.
A. 
B. 
C. 
D. 
Mathematics
Find an equation of the circle satisfying the given conditions.Center at (-9, -7), radius 
A. (x - 7)2 + (y - 9)2 = 289 B. (x + 7)2 + (y + 9)2 = 289 C. (x - 9)2 + (y - 7)2 = 17 D. (x + 9)2 + (y + 7)2 = 17
Mathematics
Choose the most reasonable metric length unit. Choose from km, m, cm, and mm.The boy is 1.1 
tall.
A. mm B. km C. m D. cm
Mathematics