A company is designing a new cylindrical water bottle. The volume of the bottle will be 220 cmcubed. The height of the water bottle is 8.3 cm. What is the radius of the water bottle? Use 3.14 for pi.

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Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]

In a certain pentagon, the interior angles are a,b,c,d,e where a,b,c,d,e are integers strictly less than 180. ("strictly less than 180" means they are "less than and not equal to" 180.) if the median of the interior angles is 61 and there is only one mode, then what are the degree measures of all five angles?