Rotate the given triangle 90 degrees counterclockwise about the origin geometric transformations matrices

I’m which figure is point g an orthocenter

Average acceleration: i have no idea how to do this.

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 i need !