Please help find the number of ways of seating 5 men and 2 women in a row if: (a) the two women must sit next to each other, (b) the two women must not sit next to each other

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.