X=-12
3. a boat traveled 210 miles each way downstream and back. the trip downstream took 10 hours. the trip back took 70
hours. what is the speed of the boat in still water? what is the speed of the current?

hope it is correct if not i'm srry i tried to

The academic affairs council is the highest expert body processing academic affairs, as stipulated by the university statutes. specialist aaro häkkinen (educational policy) took part in the council’s meeting. the agenda of the meeting included bachelors’ feedback, the timing of pedagogical studies, the grant system for tuition fees, the standardisation of administrative practices for internships and the situation of foreign-language and multilingual master’s programmes.