Find the vertex and focus of the parabola.
A. vertex: (0, 0) focus: 
B. vertex: (0, 0) focus: 
C. vertex: 
focus: (0, 0)
D. vertex: 
focus: (0, 0)
E. vertex: (0, 0) focus: 
Answer: A
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Solve the problem.The regular selling price of an item is $253. For a special year-end sale the price is at a markdown of 20%. Find the discount sale price.
A. $210.83 B. $303.60 C. $50.60 D. $202.40
Find the area of the region specified by the integral(s).
+ 
A. 128 B. 64 C. 8 D. 4
Provide an appropriate response.Kim decided she wanted to put a continuous trim along the top of the walls around the 10 ft. by 10 ft. by 10 ft. room. How long of a piece of trim must she buy?
A. 100 ft B. 40 ft C. 100 ft2 D. 40 ft2
Find the product.(x + 5)4
A. x4 + 20x3 + 150x2 + 500x + 625 B. x4 + 20x3 + 150x2 + 20x + 625 C. x4 + 20x3 + 250x2 + 500x + 625 D. x4 + 5x3 + 150x2 + 250x + 625