13. The area A of a square is the length of a side / squared.
1

Area = a²

Step-by-step explanation:

For a square, all 4 sides are equal. If a be the side of a square and A be its area. Then, the area of a square is given by :

Area = side²

or

Area = a²

Hence, the area of a square is square of the length of its side.

answer: a

step-by-step explanation:

answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.