How can you rewrite the expression 1 1/4 + 1/2 negative 1/4 as a first step in simplifying it of the choices below which showed the the best first step in property to rewrite the expression

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

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 to find the exponential function y=ca^x, with points (1,2) and (2,1)