Am I correct?? If not please correct me

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

What can you determine about the solutions of this system

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.