A piece of carpet is 240cm long. Mr Jones cuts it into three pieces in the ratio 1:2:5
Work out the length of the longest piece of carpet.

41/17 as a decimal rounded to the nearest hundredth

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

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