Dan received 45 out of 60 points on his science test. What percent did he receive on his test?

Icould really use some with this question.

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

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left