Does anybody know this if so can you help me explain and do it for brainlist ..

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

Simplify the expression. -2/5(10+15m-20n)

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out