You are standing 350 feet away from a skyscraper that is 750 feet tall. what is the angle of elevation from you to the top of the building

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

Which of the following expressions is equal to 2x^2+8

Find the solution of this system of equation -7x+y=-20 9x-3y=36