Find the exact value of the expression.
A. -2
B. - 
C. -
D. - 
Answer: D
Mathematics
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Solve the problem. Round to the nearest tenth.The roof of a building is in the shape of the hyperbola y2 - 3x2 = 39, where x and y are in meters. Refer to the figure and determine the height, h, of the outside walls.
a = b = 7 m
A. 186 m B. 13.6 m C. 52 m D. 7.2 m
Mathematics
Determine whether the graph represents a function.
A. Yes B. No
Mathematics
Find the quotient and simplify.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Find the difference.-19 - (-47)
A. -28 B. -66 C. 66 D. 28
Mathematics