Marsha paid the salon $156.00 for highlights, a trim, shampoo, and blow dry. She tipped her hairdresser 20%.How much did she tip her hairdresser?

Where m is the slope of the line and b is the y-intercept of the line, or the y-coordinate of the point at which the line crosses the y-axis. to write an equation in slope-intercept form, given a graph of that equation, pick two points on the line and use them to find the slope. this is the value of m in the equation.

What are the options

Where is the problems