What is the slope of the graph of y = 5x - 6?

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

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

Solving systems of linear equations: tables represent two linear functions in a systemöwhat is the solution to this system? 0 (10)0 (1.6)0 18,26)0 18-22)