Write 19/4 as a decimal.
19/4=
I would also like an explanation too please! Thank you!

5x−4≥12 or 12x+5≤−4 can you with this problem

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.

Can someone me and explain..will award brainlest!