Which expression is the radical form of 1/5b

If lmn=xyz, which congruences are true by cpctc? check all that apply

Is it true or false i’m trying to pass this test so i can leave school

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.