If the square root of 3 equals a than what’s a times a

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet