Atrain traveled 260 miles in 4 hours. if the train’s average rate of travel increases by 12 mph, what is its new average rate of travel?
a. 77 mph
b. 65 mph
c. 60 mph
d. 48 mph

a 77 mph hope this helps with the answer

answer; /// i do believe that the correct answer is (a); a farming tribe that settled primarily along the mississippi and arkansas rivers;

the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.