HELP PLEASE I WILL MARK BRAINLIEST!! Solve The system of linear equations by substitution. Check your solution.

Question 6 (10 points) ✓ saved what is the center of a circle described by the equation x2 + y2 +10y = -16? . (0,-5) (0,5) (-5,0) (5,0)

Of the ones listed here, the factor that had the greatest impact on the eventual destruction of native americans' ways of life was the development of the a) automobile. b) highway. c) railroad. d) steamboat.

Find cot x if sin x cot x csc x = √2