Add or subtract. Write the answer in lowest terms.- 
- 
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.A company wishes to manufacture a box with a volume of 24 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. 5.2 ft B. 6.4 ft C. 3.2 ft D. 2.6 ft
Solve the problem.The greek letter ? (gamma) has symmetry type
A. Z2. B. D2. C. D1. D. Z1. E. none of these
Solve the problem.Find the total area of the shaded rectangles.
A. x2 + 6x + 8 B. x2 + 6 C. x2 + 8 D. x2 + 4x + 8
Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite), write the set using set-builder notation, and write the set using interval notation.
A. open infinite interval; {x|x < -2}; (-?, -2) B. closed infinite interval; {x|x ? -2}; (-?, -2] C. open infinite interval; {x|x > -2}; (-2, ?) D. closed infinite interval; {x|x ? -2}; [-2, ?)