I’m really bad at these please help!! And if you can explain it plz!

I’m which figure is point g an orthocenter

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

What is 140% of 25? because i need