A river tubing company rents tubes to go down the river. A one-person tube rents for $20 and a tube that holds a cooler rent for $12.50. A group spends $270 to rent a total of 15 tubes. How many tubes of each kind did they rent?

What are the coordinates of the hole in the graph of the function f(x) ? f(x)=x2−9x−3 enter your answer in the boxes.

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

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?