Andres dog weighs 18 pounds. the vet says the breed of his dog typically weighs about 8 kg. how many kg is andres dog above the typical weight? (one kg is about 2.2 lbs.)

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.