Jocelyn writes the equation of a line that passes through the point (4,0) and that is perpendicular to the line y= -2x + 1. if jocelyn write her equation in the form y= mx +b, what is the value of b?

The oates family went out for dinner the price of the meal was $33.95 the sales tax was 7.25% of the price of the meal . the tip was 15% of the meal and the sales tax . how much money did the oates family pay for the meal, including tax and tip