- Simplify -4.5[2x-(0.5-1.4)]?

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Use the graph to guess one zero for the polynomial who's graph is shown. then factor completely. please help!!!!? How can we find the range of the of this function; f(x)=2x^2+4x+7? A carousel with diameter 11 meters moves through 2 radians. How far has the rim moved? What is the difference between the Obeserver Effect and the Uncertainty Principle ? What is a straght angle and what is its degree?