The cost to rent a paddleboat at the city park includes an initial fee of $7.00, plus$3.50 per hour. What is the equation that models the relationship between the total cost, y, andthe number of hours, x, that the paddleboat is rented?

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

Rationalize the denominator- 12x/√x-10