Sean is travelling. He has a flight of 4 hours 50 minutes, a stopover of 40 minutes and then another flight of 2.5 hours. What is his total travel time? Give your answer in hours and minutes.

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1