HELP ME PLEASE, domain and range

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

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?