A bakery made 38 muffins that contained nuts and 13 muffins that did not contain nuts. What is the ratio of the number of muffins without nuts to the total number of muffins?
? :51

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Solve the equation by completing the square. x^2+2x=17

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.