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Answer:

|2x - 5| = 4
Solve for the negative and positive expressions:
2x - 5 = 4
2x = 9
x = 9/2
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-(2x - 5) = 4
-2x + 5 = 4
-2x = -1
x = 1/2.
Therefore, the solutions are x = 1/2 and 9/2.
Answer: A confidence interval for the mean cost (in dollars) for one shipment of vases = (49,59)
Step-by-step explanation:
Confidence interval for mean: Mean ± Margin of error
Given: The online store found the mean wholesale cost of one shipment of vases was ĉ = 54 dollars, with a margin of error of 5 dollars.
A confidence interval for the mean cost (in dollars) for one shipment of vases

Hence, a confidence interval for the mean cost (in dollars) for one shipment of vases = (49,59)
Answer:
Step-by-step explanation:
Q1
- 6 + ∛3x² = 18
- ∛3x² = 12
- 3x² = 12³
- 3x² = 1728
- x² = 1728/3
- x² = 576
- x = √576
- x = ±24
Option D
Q2
- ∛3x² - 5 = 10
- ∛3x² = 15
- 3x² = 15³
- 3x² = 3375
- x² = 1125
- x = √1125
- x = ± 15√5
Option A
Q3
- 3∛x² - 2 = 7
- 3∛x² = 9
- ∛x² = 3
- x² = 3³
- x² = 27
- x = √27
- x = ±3√3
Option C
Q4
- ∛4x² + 2 = 9
- ∛4x² = 7
- 4x² = 7³
- 4x² = 243
- x² = 243/4
- x = √243/4
- x = ± 7√7/2
Option D
486, (1/3) times 486 = 162, (1/3) times 162 = 54, (1/3) times 54 = 18
so answer is D