Find the vertex, focus, and directrix of the parabola with the given equation.(y - 2)2 = -8(x - 4)
A. vertex: (2, 4)
focus: (0, 4)
directrix: x = 4
B. vertex: (4, 2)
focus: (2, 2)
directrix: x = 6
C. vertex: (4, 2)
focus: (6, 2)
directrix: x = 2
D. vertex: (-4, -2)
focus: (-6, -2)
directrix: x = -2
Answer: B
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Solve the problem.A manager of a local restaurant had a bank balance of $3,592.38 on October 1. During October, the manager deposited $58,913.01 received from sales, $2,164.44 received as credits from suppliers, and $65.59 as a county tax refund. He paid out $23,442.64 to suppliers, $4,419.77 for rent and utilities, and $10,943.27 for salaries. What was the manager's final balance at the end of October?
A. $18,744.98 B. $22,337.36 C. $25,929.74 D. $61,143.04
Provide an appropriate response.Given the problem 8 - [7 - (-8 - 18)], is the first step in solving to subtract -8 from -18?
A. Yes B. No
Find the domain of the function. Express the answer in interval notation.f(x) = 
A. 
B. 
C. 
D. 
Solve the system of equations using the addition method.6x + 8y = 646x + 2y = 88
A. (-16, 8) B. (16, -4) C. (-16, 6) D. (-4, 16)