Figure 2 shows a pillarboxed 4:3 image displayed on a 16:9 screen. What percent of the screen's area is occupied by the image? Justify your answer.
Donlowhow wide screen television can choose one of three views ofa-2 imane

3x + 4y = 5 x- 3y = -7 solve by substitution

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?

How is this equation completed? i cannot find any examples in the book.