Suppose you went on vacation but forgot your smart phone charging cable. Your phone battery died after two full days(48 hours) of use. This situation is modeled by the equation f(h) =48-h/48, where h is the hours of cell phone use and f(h) is the percentage of battery life left. What is the upper bound of the parameter h? what is the lower bound?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?