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

These question are hard can you me with answers

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?