Identify the base and exponent of b3

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Drag each tile into the correct box. not all tiles will be used. find the tables with unit rates greater than the unit rate in the graph. then tenge these tables in order from least to greatest unit rate