Solve the following system using the substitution method or the linear combination method.

Match the following action button icon descriptions to their names:

I. left-pointing arrow II. right pointing arrow with vertical line III. left pointing arrow with vertical line IV. sheet of paper with folded right-upper corner V. empty box A. End B. Beginning C. Document D. Back or Previous E. Custom

What type of interface would allow a software program running on the PC to operate a synthesizer connected as a peripheral device?

A. USB B. MIDI C. DNS D. MIID