The supply and demand curves for a line of purses are shown. Approximately where is the equilibrium point? (with picture )

What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12

41/17 as a decimal rounded to the nearest hundredth

2x minus y equals 6, x plus y equals negative 3