Two buses leave the station traveling in opposite directions, one going east and one going west. The eastbound bus travels at 45 mph and the westbound bus travels at 70 mph. If both buses leave the station at 10:00 a. m., at what time will they be 1035 miles apart?

What are “like terms”? why can we only add like terms?

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.