The area of a rectangular slab of concrete is square feet. if it is 2x feet wide, what is the length, in feet?
a. 2x β 1
b. 2x + 1
c. 2x β x
d. 2x + xthe area of a rectangular slab of concrete is square feet. if it is 2x feet wide, what is the length, in feet?
a. 2x β 1
b. 2x + 1
c. 2x β x
d. 2x + x