Provide an appropriate response.Solve the compound inequality: 2 ? x - 1 ? 7
A. x ? 3 or x ? 8
B. 1 ? x ? 6
C. 3 ? x ? 8
D. 2 ? x ? 8
Answer: C
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Which of the following would not be a valid method of justifying the surface area of a sphere formula? ?
A. ?Taking apart the cover of a baseball. B. ?Placing square units over a sphere. C. ?Painting a sphere and determining the amount of paint used (in gallons/liters) and then converting this figure into square units. D. ?Tessellating a sphere with shapes with known areas. E. ?None of the above.
The figure below shows a simplified pattern for a wrap skirt that is 20 inches long and has a top hem of 57 inches. The bottom hem has a length of 63 inches. Suppose you decide to alter the pattern to make a wrap skirt with the same top hem length but a length of 27 inches. How long should be the bottom hem?
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A. 65.51 inches B. 64.05 inches C. 63.17 inches D. 65.10 inches
Perform the operations and simplify.
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Assume that no denominators are 0.
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A. ?
B. ?
C. ?
D. ?
Simplify the expression.-7z - 10z
A. -17z B. -17z2 C. -3z D. -3z2