How many different triangles can you make if you are given the measurements for two sides and the angle between those sides ?

Based on the figures as marked, /\rqs = —

What is the distance between point a and b

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.