children at recess are either playing or sitting down. The ratio of kids playing to resting is 3:1 If there are 8 children resting, Then how many children are playing?

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.

Pls yall i really need the answer fr fr

Triangles abd and ace are similar right triangles. witch ratio best explains why the slope of ab is the same as the slope of ac?