Find the sum.5 + (-6)
A. 1
B. -11
C. -1
D. 11
Answer: C
Mathematics
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Perform the indicated operation by the requested method.496 × 9227; use the Russian peasant method
A. 4,576,602 B. 4,576,582 C. 4,576,592 D. 4,576,692
Mathematics
Graph the hyperbola.25y2 = 4x2 + 100
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Roberto invested some money at 8%, and then invested $5000 more than twice this amount at 12%. His total annual income from the two investments was $4760. How much was invested at 12%?
A. $3100 B. $31,000 C. $15,000 D. $26,000
Mathematics
Solve the problem.The roof of a building is in the shape of the hyperbola 
where x and y are in meters. Refer to the figure and determine the height, h, of the outside walls.
a = b = 3 m
A. 9.9 m B. 8.3 m C. 3.1 m D. 69 m
Mathematics