Find the volume of the solid generated by revolving the region bounded by y equals 4 startroot x endroot and the lines yequals4 and xequals0 about a. the x-axis. b. the y-axis. c. the line yequals4. d. the line xequals1.

Two trains leave stations 546 miles apart at the same time and travel toward each other. one train travels at 95 miles per hour while the other travels at 115 miles per hour l. how long will it take for the two trains to meet