Write 5/3 as a mixed number

True or false look at the picture pls : /

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?

Select the number of ways in which a line and a circle can intersect