Aprofessor gives 3 tests and uses a weighted average to determine the final grades in his psychology class. the weights are as follows: test 1 = 30%, test 2 = 20%, and test 3 = 50%. if a student scores 95 on the first test, 70 on the second test, and 80 on the third test, what would be her final score?

The verbal translation for the difference of m and 7 increased by 15

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?