What is the slope of the line y = -5x + 6

Find the power series expantion of f(z)=log(4=3z) at the point z=-1

Is the orthocenter of a triangle on the inside ?

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