Valerie and Bret have a total 27 dog show ribbons. Bret has twice as many ribbons as Valerie. How many ribbons does each have?

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)

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?