What is two 2/3+3 2/3?

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?

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr