Square rstu is inscribed in circle p. given the coordinates for the vertices of the square, find the equation of circle p. r(0, 4), s(6, 2), t(4, -4), and u(-2, -2) (x - 2)2 + y2 = 68 (x + 2)2 + y2 = 20 (x - 2)2 + y2 = 20

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.