A system of three linear equations in three variables is consistent and independent. How many solutions to the system exist? A: none
B: one
C: three
D: infinitely many

B is correct

Find the measures of the complement and the supplement of each angle, m

Give all possible names for the line shown.calculation tip: lines can be written with either point first.

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.