Mr somers had twenty pieces of metal that were all the same length. if each piece of metal was 3 1/5 inches long and he put them side by side , what would be the total length of all the pieces 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

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.

How would you describe the difference between the graphs of f(x) = 2x2 and g(x) = -2x2?