Use the Euler diagram to determine if the given argument is valid.
 figure 1.png)
B) Invalid
Mathematics
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Find the vertex, focus, and directrix of the parabola. Graph the equation.(x + 2)2 = -4(y + 2)
A. vertex: (2, 2)
focus: (2, 1)
directrix: y = 3
B. vertex: (-2, -2)
focus: (-3, -2)
directrix: x = -1
C. vertex: (2, 2)
focus: (1, 2)
directrix: x = 3
D. vertex: (-2, -2)
focus: (-2, -3)
directrix: y = -1
Mathematics
Use properties of rational exponents to simplify the expression. Assume that any variables represent positive numbers.(x-9/2y5/2)1/3
A. x3/2y5/6
B. -x3/2y5/6
C. x-25/6y34/3
D. 
Mathematics
Translate using numbers and symbols.The quotient of 54 and a number
A. x - 54 B. 54 - x C. 54 ÷ x D. x ÷ 54
Mathematics
Which is the shaded region representing the solution of the system?
 figure 1.png)
 figure 2.png)
Mathematics