Find the Area of the Shaded Region. Round to the nearest tenth if necessary.
8 ft
4 ft
4 ft
8 ft
5.6 ft
14 ft
4.5 ft
14 ft

Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?