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How can i use models to find part of a number hands on part of a number

Which of the following describes the multimedia era? a. an era in which artists created works using paint software such as photoshop, without actually programmingb. an era of interactive technology where 3-d computer graphics were used to create a virtual environmentc. an era in which most of the computer art work centered around computer programming

Look at the sculpture above of a gustus a staff like the one he is holding symbolized in roman culture