What is the equation of the graph below? a graph shows a parabola that opens up and does not cross the x axis. the turning point is at negative two comma three. a y = − (x − 2)2 + 3 b y = (x + 2)2 + 3 c y = − (x + 3)2 + 2 d y = (x − 3)2 + 2

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.