A car is rolling south at 8 miles per hour, and a man pushes the car north at 10 miles per hour. What is the resultant vector on the car? A.
2 miles per hour north
B.
2 miles per hour south
C.
18 miles per hour north
D.
18 miles per hour south

Which of the following events did not occur as a result of china’s open-door policy? a. trade between japan and china was encouraged. b. all countries were given equal access to chinese ports. c. foreign influence in china increased. d. the influence of the communist party weakened.