Stefanie swam four-fifths of a lap in the morning and seven-fifteenths of a lap in the evening. What fraction of a lap did Stefanie swim the entire day?

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

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