Solve the problem.A company wishes to manufacture a box with a volume of 16 cubic feet that is open on top and is twice as long as it is wide. Find the width of the box that can be produced using the minimum amount of material. Round to the nearest tenth, if necessary.
A. 4.2 ft
B. 2.1 ft
C. 2.9 ft
D. 5.8 ft
Answer: B
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Solve the problem.Suppose that one box contains n balls, of which 4 are red. A second box contains 
balls, of which n are red. If you select a ball from each box, the probability of not drawing a red ball from the first box and a red ball from the second box is 
Simplify this expression and use it to find the probability when 
A. 
B. 
C. 
D. 
Multiply the polynomials.(7y - 8)(49y2 + 56y + 64)
A. 343y3 - 512 B. 343y3 + 448y2 - 512 C. 49y3 + 512 D. 343y3 + 512
Replace the question mark by <, >, or =, whichever is correct.- 
- 
A. < B. > C. =
Convert the equation to the standard form for a hyperbola by completing the square on x and y.x2 - y2 - 4x + 4y - 1 = 0
A. (x - 2) 2 - (y - 2) 2 = 1
B. 
- 
= 1
C. (x - 2) 2 + (y - 2) 2 = 1
D. (y - 2) 2 - (x - 2) 2 = 1