*will give brainliest* (06.04 lc)

the equation of the line of best fit of a scatter plot is y = 8x − 1. what is the slope of the equation?
−8
−1
1
8

Sara needs to take a taxi to get to the movies the taxi charges $4.00 for the first mile and then $2.75 for each mile after that if the total charge is $20.50 then how far was sara’s taxi ride to the movie

Me with this one question, and i'll upvote the brainliest 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.