This is the third time i'm asking. i feel like won't anyone above middle school but whatever. it's geometry. pls answer.

I’m which figure is point g an orthocenter

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

What is x and y intercepts for y=x+7