There are 30 students in Mr. Ryan's Algebra class. On the first test, 8 students scored 95%, 10 students scored 80% and 12 students scored 75%. What was the overall average on the test?

In an equilateral triangle, each angle is represented by 5y+3. what is the value of y? a. 9.7 b. 10.8 c. 11.4 d. 7.2

Which polygon is she in the process of constructing ?

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?