Find the cosine of ∠J. Write your answer in simplified, rationalized form. Do not round.
cos (J) =

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?

Are the corresponding angles congruent? explain why or why not.

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?