Solve these exercises in Substitution method a) x+3y=11

4x-3y=-1

b) x+y=5

3x-2y=10

What is the author's purpose in this passagea. to remind people to avoid individuals who occasionally display bad manners. b. to encourage people to embrace the feeling of superiority over others. c. to persuade people to demonstrate good manners at all times. d. to convince people to freely express their emotions.

Im home schooled why does my mom make me do such hard work dx

David works in the police force. he is mainly in charge of crime prevention, detection, and maintaining order. he works at the rank of a .