The measure angles of a hexagon are 4x,5x,6x,7x,8x, and9x calculate the size of the smallest angle

You are cycling around europe with friends. a cycling festival is starting soon in barcelona. it will take 4.5 hours to cycle there. how many minutes in total is this?

How do i do this activity, is appreciated

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )