Evaluate the expression using the given values.
?x = 7, y = 8
A. 
B. 
C. 5
D. 
Answer: D
Mathematics
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Solve the following system by any appropriate method. If there is no real number solution, so state.6x2 + 12y2 = 108y = x + 3
A. (0, 3), (4, 7) B. (0, 3), (- 4, - 1) C. (0, -3), (- 4, - 1) D. (0, -3), (4, 7)
Mathematics
Graph the hyperbola.(y + 2)2 - (x - 2)2 = 2
A. 
B. 
C. 
D. 
Mathematics
Find the midpoint of the line segment joining the points P1 and P2.P1 = (-7, 9); P2 = (4, 1)
A. 
B. 
C. 
D. 
Mathematics
Find the numbers at which f is continuous. At which numbers is f discontinuous?f(x) = 
A. continuous for all real numbers except x = 16 B. continuous for all real numbers except x = 4, x = 16 C. continuous for all real numbers except x = 4 D. continuous for all real numbers
Mathematics