Which statement about the argument is true?
argument:
if susan does not get enough sleep, she will be tired.
susan did not get enough sleep.
she will be tired.
the argument is valid, but does not follow the law of syllogism or the law of detachment.
the argument is valid by the law of syllogism.
the argument is valid by the law of detachment.
the argument is invalid.

i believe the answerto your question is going to be: C. The argument is valid by the Law of Detachment.

solve systems of equations by graphing. a system of linear equations contains two or more equations e.g. y=0.5x+2 and y=x-2. the solution of such a system is the ordered pair that is a solution to both equations. to solve a system of linear equations graphically we graph both equations in the same coordinate system