Which expression is equivalent to 3x + 3x + 3x?

From Performance Matters

Ou listened to a song on your computer. did you use hardware or software?

What is a distinguishing feature of today’s graphic application software?) graphic applications are used today on a variety of devices, including touch-screen kiosks and mobile phones.

Spoons are designed to be used for: spring hammering. applying body filler. identifying high and low spots. sanding highly formed areas.