Determine wether y varies directly with x. if so find the constant of variation and write the equation.

How is this equation completed? i cannot find any examples in the book.

The sum of five and a number n is at least 12

The area of a square floor on a scale drawing is 64 square centimeters, and the scale drawing is 1 centimeter: 3 ft. what is the area of the actual floor? what is the ratio of the area in the drawing to the actual area? the area of the actual floor is square feet. the ratio of the area in the drawing to the actual area is 1 square centimeter: square feet.