9) Solve the inequality. Graph the solution set and write the solution set in interval 10) Solve the problem: Claire has received scores notation. of 85, 88, 87, and 95 on her algebra tests. What is the minimum score she must receive on the fifth test to have an overall test score average of at least 90? (Hint: The average of a list of numbers is their sum divided by the number of numbers in the list.) 11) Sparky has scores of 77, 64, and 75 on his 12) A rental company charges a flat fee of $9 to first three Sociology tests. If he needs to rent a power washer, plus $3 per day. How keep an average of 80 to stay eligible for many days could you keep the power washer lacrosse, what scores on the fourth exam will if you plan to spend no more than $27? accomplish this