Find x. -2(6+x)=18-3x

Which expression shows the sum of the polynomials with like terms grouped together

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

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way