Triangle JGR is similar to triangle MST. Which statement is not always true?

What’s the range cuz i can’t find it?

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?