Simplify.
+ 9
+ 2
A. 44
B. -18
C. -44
D. 12
Answer: A
Mathematics
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Provide an appropriate answer.Use the following frequency distribution to determine the midpoint of the fifth class.
A. 28.5 B. 29.0 C. 31.5 D. 30.5
Mathematics
Graph.f(x) = 4-x
A. 
B. 
C. 
D. 
Mathematics
Simplify the exponential expression.
A. 2
B. 
C. 
D. 128
Mathematics
Find the vertex, focus, and directrix of the parabola. Graph the equation.(x + 3)2 = -8(y + 3)
A. vertex: (3, 3)
focus: (1, 3)
directrix: x = 5
B. vertex: (-3, -3)
focus: (-5, -3)
directrix: x = -1
C. vertex: (3, 3)
focus: (3, 1)
directrix: y = 5
D. vertex: (-3, -3)
focus: (-3, -5)
directrix: y = -1
Mathematics