Given four functions, which one will have the smallest y-intercept? f(x) g(x) h(x) j(x)

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

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