2points
which of the following has 12 faces?
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a. dodecahedron
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b. tetrahedron
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c. octahedron
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d. icosahedron
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What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.