Estimate then find the product 6018x9

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

What is the measure of angle x? a.101 b.158 c.44 d.79