Identify the initial value and the factor in the following equation and fill out the values ( help I’ll mark the brainlest)

Which expression is the factored from of 2/3x + 4?asap

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

1. what is the measure of ∠abc? what is the measure of ∠abd?