If the stock market gained value on Friday, which value could represent this change?

Which table represents a linear function? i'll give brainliest to first answer ^'^

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.

What is the angle measure, or angle of depression, between this bird and the bird watcher?