Can someone please help me out? :)

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a