My grades in science for the second semester have been 89, 96, and 93. I got a 72 on my exam. What will my semester average be?​

Orly uses 2 cups of raisins for every 12 cups of trail mix she makes. how many cups of trail mix will she make if she uses 8 cups of raisins?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

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