Ineed ! an airport has one runway, as represented by the line segment on this coordinate grid. there are plans for a second runway that will be a dilation of the first runway. the dilation will have center point (−2,1) and scale factor 1.5.

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.