What are the coordinates of r180(r90(x, y)) if (x, y)=(-8,-4)? a.(8,4) b.(4,-8) ,8) ,-4)

Acetylene is a gas which burns rapidly on its own, and is considered highly explosive. a) true b) false

Which one of the following is the most accurate definition of technology? a electronic tools that improve functionality b electronic tools that provide entertainment or practical value c any type of tool that serves a practical function d any type of tool that enhances communication

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