Jack has 800 feet of fencing to fence off a rectangular field that borders a straight river. he doesn't need to fence along the river. what are the dimensions( l and w ) of the field that has the largest area? what is the largest area?

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

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?

Thomas is using a drawing program to complete a construction. which construction could he be completing? two perpendicular lines are drawn. inscribing an equilateral triangle in a circle inscribing a square in a circle inscribing a regular pentagon in a circle inscribing a regular hexagon in a circle