Anyone wanna be the nicest person ever and help me :)

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Is it greater than or less than7*3_9*2

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.