A train started from Colombo Fort towards Jaffna at 3pm (time t 0) with velocity v(t) = 20t+ 50 kilometre per hour, where t is measured in hours. Find the distance covered by the train at 5pm. ​

In what organelle does photosynthesis take place?

Aswimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?

The police chief wants to know if the city’s african americans feel that the police are doing a good job. identify the management problem (i. e dependent variable) and identify the independent variable.