Two friends are playing the same games on their phones. One is already on level 6, and levels up two hours. Her friend is on level 3, but levels up every 60 minutes. After how many will they have reached the same level? What level that be?

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.