The willis tower is 1450 feet tall. jeff wanted to make a scale model for his class project, but his mother's car can hold only a 36 in. tall model. what scale factor should jeff use to create his model?

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?