7+(8+12)= +12 complete the equation and tell what property you used

Is every rectangle is a parallelogram? true false

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

How do i put 3(x+7) in distributive property