A flagpole casts a 13-foot shadow on the ground when the sun is at a 68° angle of elevation. Which of the following expressions can be used to determine the height (h), in feet, of the flagpole?

Emily and her feiends qent to the park. they saw 15 robins and 9 blue jays. how many birds did they see? explain how you decided what number sentence to write.

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?

Determine the area of a triangle with (see picture below)