Jeff and kirk can build a 75-ft retaining wall together in 6 hours. because jeff has more experience, he could build the wall by himself 3 hours quicker than kirk. how long would it take kirk (to the nearest minute) to build the wall by himself?

John makes $10.50 pers hour what expression represens how much he will make if he works h hours

At his new job, jeremiah can choose an hourly rate of $9 plus a $50 weekly bonus for opening the store, or an hourly rate of $10 per hour with no opening bonus. the equations model his salary options. y = 9x + 50 y = 10x

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online