Will give brianliest

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

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10